- Moonshine Avenue (Hard Rock-Sweden) - Other name : MA
- Madison Affair (Post Hardcore-Germany) - Other name : MA
- Maella Abbey (Deathcore-USA) - Other name : MA
- Morgan's Accident (Deathcore-USA) - Other name : MA
- My Autumn (Deathcore-Russia) - Other name : MA
- Morning After (Gothic Metal-Greece) - Other name : MA
- Morbid Angel (Death Metal-USA) - Other name : MA
- Ma'akeleth (Black Metal-Switzerland)
- Ma'anish (Technical Death-Israel)
- Maahes (Black Metal-Germany)
- Maahlas (Progressive Death-Norway)
- Maanelyst (Black Metal-Norway)
- Maat (Death Metal-Germany)
- Maax (Black Metal-USA)
- Michael Angelo Batio (Guitar Hero-USA) - Other name : MAB
- MAB (ITA) (Grunge-Italy)
- Mab (FRA) (Fusion-France)
- Mabon (Thrash Metal-Switzerland)
- Mabthera (Black Metal-Hungary)
- Mabus (USA) (Experimental Metal-USA)
- Mabus (GER) (Death Metal-Germany)
- Mabus 666 (Brutal Death Black-Ireland)
- Mabuse (Death Metal-Norway)
- Mac Beth (Hard FM-Czechia)
- Mac Blagick (Heavy Metal-Sweden)
- Mac Of Mad (Grind Electro-Czechia)
- Mac-11 (Heavy Metal-Netherlands)
- Macabius (Death Metal-France)
- Macabra (Death Metal-Other)
- Macabraa (Death Metal-Dominican-Republic)
- Pentagram (USA) (Doom Metal-USA) - Other name : Death Row, Macabre
- Macabre (Death Grind-USA)
- Macabre Cérémonie (Black Metal-France)
- Macabre Decay (Death Metal-Sweden)
- Macabre Demise (Death Grind-Germany)
- Until Death Overtakes Me (Funeral Doom-Belgium) - Other name : ex-Macabre Destiny
- Macabre End (Death Metal-Sweden) - Other name : ex-Botten Pa Burken
- Macabre Funeral (Black Metal-Peru)
- Macabre Goat (Death Metal-Mexico)
- Macabre Instinct (Death Grind-Brazil)
- Macabre Manifest (Black Metal-Brazil)
- Macabre Omen (Pagan Black-Greece)
- Macabre Operetta (MEX) (Black Metal-Mexico) - Other name : Murmur
- Macabre Operetta (GRC) (Gothic Black-Greece)
- Macabre Operetta (BRA) (Dark Ambient-Brazil)
- Macabre Polytheism (Black Metal-USA)
- Macabre Repugnance (Death Metal-Mexico)
- Macabre Visions (Death Thrash-United-Kingdom)
- Macabria (Dark Ambient-France) - Other name : ex-Legion Macabrienne, ex-Mercuria
- Macabro (Death Metal-Guatemala)
- Macabro Genocidio (Black Death-Italy)
- Macabrum (Atmospheric Black-Bosnia and Herzegovina)
- Macaes (Black Metal-Argentina)
- Macakongs 2099 (Hardcore-Brazil)
- MacAllister Project (Folk Metal-Spain) - Other name : The MacAllister Project
- Macaria (Folk Death-Italy) - Other name : ex-Folkentroll
- Himitsu Kessha Codomo A (Visual Kei-Japan) - Other name : Kibouya Honpo, ex-Macaroni
- Macaroni (Death Thrash-Thailand)
- Macaxe (NWOBHM-United-Kingdom)
- Macbeth (ITA) (Gothic Metal-Italy)
- Macbeth (HUN) (Heavy Metal-Hungary)
- Macbeth (EST) (Death Thrash-Estonia)
- Macbeth (GER-1) (Power Metal-Germany)
- Macbeth (GER-2) (Heavy Metal-Germany)
- Macbeth (GER-3) (Heavy Metal-Germany) - Other name : ex-Caiman
- Maccadeshkem (Brutal Death-Brazil)
- Macchina (Stoner-Brazil)
- MACE (ITA) (Power Metal-Italy)
- MACE (BRA) (Crossover-Brazil) - Other name : Maximum Agression Crossover Endemic
- Mace (USA) (Thrash Metal-USA)
- Macedon Harriers (Speed Metal-Greece)
- Macella (Symphonic Black-USA)
- Macerace (Grind Death-Czechia)
- Maceration (Death Metal-Denmark)
- Quiet Riot (Hard Rock-USA) - Other name : ex-Mach 1, ex-Little Women
- Mach II (Heavy Metal-USA)
- Mach22 (Hard Rock-USA)
- Machaco Clajo (Death Grind-Guatemala)
- Machecoul (Heavy Metal-Spain)
- Machescazo (Death Grind-Italy)
- Machetazo (Grind Death-Spain)
- Machete (FRA) (Sludge Metal-France)
- Machete (CHL) (Deathcore-Chile)
- Machete (USA) (Heavy Metal-USA)
- Machete 187 (Hardcore-United-Kingdom)
- Machete Dildo (Porno Gore Grind-USA)
- Machete Justice (Thrash Metal-New-Zealand)
- Machete Law (Crossover-Spain)
- Machete Love Tap (Progressive Death-USA) - Other name : MLT
- Machiavel (Pagan Black-France)
- Machiavelian South (Thrash Death-Portugal)
- Machiavelik (Deathcore-France)
- Machiavelis (Doom Black-France)
- Machiavellian (Thrash Death-United-Kingdom)
- Machiavellian God (Melodic Death-Romania)
- Machina (Heavy Metal-Finland)
- Machina Baphometa (Black Metal-Slovakia)
- Machina Deus Ex (Industrial Metal-France)
- Machina Infernus (Thrash Death-USA)
- Machinae Supremacy (Modern Metal-Sweden)
- Machinage (Thrash Metal-Brazil)
- Machinations of Fate (Thrash Death-USA)
- Machinator (Thrash Metal-Italy)
- Machinatx (Nu Metal-USA)
- Skeleton Birth (Thrash Metal-Sweden) - Other name : ex-Machine
- Machine (NL) (Heavy Rock-Netherlands)
- Machine (JAP) (Visual Kei-Japan)
- Machine (SWE) (Heavy Metal-Sweden)
- Machine (BRA) (Crossover-Brazil)
- Machine Anatomy (Brutal Death-Indonesia)
- Machine Called Man (Progressive Metal-USA)
- Machine Dog (Power Metal-USA)
- Machine Gun Kelly (Hard Rock-USA)
- Machine Head (USA) (Technical Thrash-USA)
- Machine Head (ESP) (Thrash Metal-Spain) - Other name : Mother Under
- Machine Insufficiency (Thrash Metal-Croatia)
- Machine Kill (Death Metal-United-Kingdom)
- Machine Man (Hard Rock-Other)
- Machine Men (Heavy Metal-Finland)
- Machine Of Macabre (Death Metal-Canada)
- Machine Of Rebellion (Death Metal-Indonesia) - Other name : MOR
- Machine (USA-1) (Thrash Metal-USA)
- Machine (USA-2) (Thrash Metal-USA)
- Machine Vertigo (Heavy Rock-France) - Other name : MV
- MachineGunPoetry (Death Thrash-Sweden)
- Machinemade God (Metalcore-Germany)
- Machinergy (Technical Thrash-Portugal)
- Machinerie Perfect (Industrial Black-Latvia)
- Machinery (USA) (Power Metal-USA)
- Machinery (BHZ) (Thrash Metal-Bosnia and Herzegovina)
- Machinery (SWE-1) (Thrash Metal-Sweden)
- Machinery (SWE-2) (Thrash Metal-Sweden)
- Of Machines (Post Hardcore-USA) - Other name : OM, Machines, ex-Their Eyes Look North, ex-We Are Kings
- Machines Of Dystopia (Deathcore-Poland) - Other name : MoD
- Machines Of Grace (Heavy Rock-USA)
- Machines Of Living Death (Cyber Metal-USA) - Other name : MOLD
- Machines Of Loving Grace (Industrial Metal-USA)
- Machines Of Penalty (Heavy Rock-USA) - Other name : MoP
- Machineslave (Cyber Metal-Ukraine)
- Machinist (Hardcore-USA)
- Machinochrist (Experimental Metal-United-Kingdom)
- Macho Insecurity (Grindcore-United-Kingdom)
- Machocabrio (Stoner-Chile)
- Wehrmacht (Thrash Metal-USA) - Other name : ex-Macht
- Macht (GER) (Melodic Black-Germany)
- Machtkrig (Black Metal-Denmark)
- Machu Picchu Mother Future (Atmospheric Sludge-USA)
- Maciej Podsiadlo (Power Metal-Poland)
- Macleod (Thrash Death-Czechia)
- Macrocosm (Thrash Death-USA)
- Macrocosmic Emotions (Technical Thrash-Sweden)
- Imperial Sodomy (Brutal Death-France) - Other name : Macrocyte
- Macrodex (Death Metal-Sweden)
- Defenestration (FRA) (Death Metal-France) - Other name : ex-Macrogol
- Macrohard (Melodic Death-Austria)
- Macropsia (Death Metal-India)
- Mactätus (Black Metal-Norway)
- Macula (Black Metal-Portugal)
- Maculatum (Dark Ambient-Other)
- Magoyond (Alternative Metal-France) - Other name : MAD
- MindAhead (Atmospheric Metal-Italy) - Other name : MAD
- MAD (FRA) (Hard Rock-France) - Other name : Massive Audio Distorsion
- MAD (CAN) (Thrash Metal-Canada) - Other name : Mutually Assured Destruction
- Mad (GRC) (Hard Rock-Greece)
- MAD (GER) (Heavy Metal-Germany) - Other name : Maniacal Aera Damage
- Mad Act (Sludge Metal-France)
- Mad Alien (Heavy Metal-Germany)
- Mad Architect (Dark Metal-Sweden)
- Mad At Gravity (Alternative Metal-USA) - Other name : MAT
- Mad At Sam (Crossover-USA) - Other name : MAS
- Mad At The World (Hardcore-France)
- Mad Atchu (Hard Rock-USA)
- Mad Axeman (Power Metal-Germany)
- Mad Bastards (Grindcore-Canada)
- Mad Brains (ITA) (Death Metal-Italy)
- Mad Butcher (Speed Heavy-Germany)
- Mad Dog (NWOBHM-United-Kingdom)
- Mad Doggin' (Metalcore-Germany)
- Mad Dragzter (Thrash Metal-Brazil)
- Mad Essence (Electro Metal-Ukraine) - Other name : ME
- Mad God (Stoner Doom-South-Africa)
- Mad Goya (Death Thrash-Serbia)
- Mad Hatter (Power Metal-Sweden)
- Mad Hatter's Den (Melodic Metal-Finland) - Other name : MHD
- Mad Klown (Death Metal-Costa-Rica)
- Mad Laughter (Heavy Metal-USA)
- Mad Machine (Thrash Metal-Japan)
- Mad Margritt (Hard Rock-USA)
- Mad Mav (Metal-Germany)
- Mad Max (Hard Rock-Germany)
- Mad Maze (Thrash Metal-Italy)
- MMD (Black Death-Finland) - Other name : Mad Men's Diaries
- Mad Mosh (Speed Metal-Brazil)
- Mad Mutilator (Thrash Metal-France)
- Mad Neighbor (Thrash Metal-Chile)
- Mad Parish (Heavy Metal-Canada)
- Mad Passion (Heavy Rock-Germany)
- Mad Poltergeist (Thrash Metal-Italy)
- Mad Reign (Heavy Metal-USA)
- Mad Ripper (Heavy Metal-France)
- Mad Roulette (Heavy Metal-Brazil)
- Mad Season (Grunge-USA)
- Mad Seed (Grunge-Argentina)
- Mad Slaughter (Thrash Metal-Germany)
- Mad Sox (Crossover-Switzerland)
- Mad Throng (Thrash Metal-Colombia)
- Mad V (Thrash Metal-Russia)
- Mada Mita Koto no Nai Sekai (Metal-Japan) - Other name : Madaseka
- Madalarm (Metalcore-Israel)
- Madalena (Doom Metal-Italy)
- Madalice (Metal-USA)
- Madam (Heavy Metal-Argentina)
- Madam X (Heavy Metal-USA)
- Madame De Montespan (Screamo-France)
- Madame Guillotine (Metal-France)
- Madame Saatan (Heavy Metal-Brazil)
- Madame Violence (Death Thrash-Portugal)
- Mädäntyneen Jumalan Silmä (Black Metal-Finland) - Other name : MJS
- Madara (Visual Kei-Japan)
- Madarikatua (Hard Rock-France)
- Madball (Hardcore-USA)
- Madbrain (ECU) (Hardcore-Ecuador)
- Madcapeye (Metal-USA)
- Madcaps (Thrash Metal-Italy)
- Madcats (Hard Rock-Canada)
- Madco Shitegrinder (Grindcore-USA)
- Madcraft (Nu Metal-France)
- Madd Hatter (Heavy Metal-USA)
- Madd Hunter (Heavy Metal-USA)
- Madd Murdock (Hard Rock-France)
- Maddame... (Grunge-Malaysia)
- Maddax (Heavy Metal-USA)
- Madder Lake (Heavy Rock-Australia)
- Madder Mortem (Dark Metal-Norway) - Other name : ex-Mystery Tribe
- Maddox (Alternative Metal-Italy)
- Creed (USA) (Grunge-USA) - Other name : ex-Naked Toodlers, ex-Maddox Creed
- Maddox Theory (Heavy Metal-Egypt) - Other name : ex-Redemptoris
- Maddthelin (Screamo-Malaysia)
- Made In France (Heavy Metal-France) - Other name : MIF
- Made In Hell (Heavy Metal-Brazil)
- Made In Luna (Hard Rock-Italy)
- Made In March (Metalcore-USA)
- Made In Vain (Thrash Death-USA)
- Made Of Ashes (Metalcore-France) - Other name : MOA
- Made Of Hate (Melodic Black Death-Poland)
- Made Of Iron (Heavy Metal-Germany)
- Made Out Of Babies (Metal-USA)
- Madeira (Gothic Doom-Canada)
- Mädel Fang (Speed Metal-USA)
- Madenfrass (Death Metal-Germany)
- Madera (Death Metal-Spain)
- Madest (Crust-Russia)
- Madeth Gray'll (Visual Kei-Japan)
- Madeye (Thrash Metal-Puerto-Rico)
- Madgod (Thrash Metal-Czechia)
- MadHour (Thrash Heavy-Italy)
- Madhouse (GER) (Thrash Metal-Germany)
- Madhouse (PL) (Thrash Metal-Poland)
- Freight Train Jane (Hard Rock-USA) - Other name : Madhouse
- Madhouse (ITA) (Thrash Metal-Italy)
- Madhouse (USA) (Heavy Metal-USA)
- Madhouse (FRA) (Crossover-France)
- Mädhouse (AUT) (Glam Rock-Austria)
- Vypera (Hard Rock-Sweden) - Other name : ex-Madhouse
- Madhouser (Thrash Metal-Brazil)
- Madieduor (Visual Kei-Japan)
- Madison (Hard Rock-Sweden)
- Madisson (Thrash Death-Germany)
- Madjester (Heavy Rock-France)
- Madking Ludwig (Progressive Metal-Canada)
- Madlife (Industrial Metal-USA)
- Madman Is Absolute (Deathcore-United-Kingdom)
- Madman Mundt (Crossover-USA)
- Madmans Esprit (Experimental Metal-South-Korea)
- Tim Donahue's Madmen And Sinners (Progressive Metal-USA) - Other name : Madmen and Sinners
- Madmen Sometimes Speak The Truth (Metal-France) - Other name : MSSTT
- Matnely (Symphonic Metal-Mexico) - Other name : Madnely
- Madnes (Thrash Metal-Germany)
- Madness (Thrash Death-Brazil)
- Madness Co. (Thrash Death-Finland) - Other name : M.C.
- Madness Of Light (Progressive Metal-Portugal)
- Madness Of Sorrow (Gothic Metal-Italy) - Other name : ex-Filthy Teens
- Madness On The Mountaintop (Death Metal-USA)
- Madog (Speed Heavy-Austria)
- Madonagun (Progressive Metal-France)
- Madra (BRA) (Heavy Rock-Brazil)
- Madra (UK) (Heavy Metal-United-Kingdom)
- Madrake (Heavy Metal-Greece)
- Madre Bruja (Black Metal-Mexico)
- Madre De Dios (Stoner-Chile)
- Madrigal (BRA) (Black Metal-Brazil)
- Madrigal (SWE) (Gothic Death-Sweden)
- MadRoach (Thrash Metal-Canada)
- Madrost (Thrash Death-USA)
- Madryal (Black Metal-France)
- Madryghal (Speed Metal-Italy)
- Madsaah (Metal-France)
- Madsic (Industrial Metal-USA)
- Barzakh (TUN) (Experimental Metal-Tunisia) - Other name : Madside
- Madsword (Progressive Metal-Italy)
- Madval Rockatansky (Metal-France)
- Madvice (Melodic Death-Italy)
- Madvro (Stoner Doom-Serbia)
- Madwill (Melodic Power-Finland)
- Madwork (Industrial Metal-Italy)
- Enchant (Progressive Metal-USA) - Other name : ex-Mae Dae
- Mae Naak (Grindcore-Italy)
- Maeder (Hard Rock-Australia)
- Maedusa (Melodic Death Black-USA)
- Maegaron (Thrash Metal-Australia)
- Maegashira (Stoner Doom-USA)
- Maegi (Progressive Power-Turkey)
- Mael Mórdha (Doom Metal-Ireland)
- Maelsteria (Melodic Death-Denmark)
- Maelstorm (Progressive Power-France)
- Maelström (BRA) (Dark Metal-Brazil)
- Vikingbard (Viking Black-USA) - Other name : Maelstrom, Irrlicht
- Maelström (NOR) (Death Metal-Norway) - Other name : Malstraum, ex-Rotting Maggots
- Maelstrom (UK) (Melodic Black-United-Kingdom)
- Maëlstrom (FRA) (Technical Death-France)
- Maelstrom (ESP) (Death Metal-Spain)
- Maelstrom Aeterna (Metalcore-United-Kingdom)
- Maelstrom (CAN-1) (Thrash Black-Canada)
- Maelstrom (CAN-2) (Thrash Metal-Canada)
- Maelstrom (CAN-3) (Thrash Metal-Canada)
- Maelstrom (CAN-4) (Heavy Metal-Canada)
- Maelstrom (ITA-1) (Thrash Metal-Italy)
- Maelstrom (ITA-2) (Death Metal-Italy)
- Maelstrom (ITA-3) (Heavy Metal-Italy)
- Maelstrom Vale (Progressive Death-Canada)
- Maentis (Sludge Doom-Germany)
- Maeotis (Pagan Folk-Hungary)
- Maera (Nu Metal-Serbia) - Other name : MaerA
- Maeror Tri (Dark Ambient-Germany) - Other name : Maëror Tri, Maëror Tri [...]
- Maersung (Death Metal-Germany)
- Maerzfeld (Industrial Metal-Germany)
- Maesion (Post Hardcore-USA)
- Maeskyyrn (Black Metal-Canada)
- Maesstro (Progressive Power-Norway)
- Maestà (Power Metal-Italy)
- Maestah (Power Metal-Brazil)
- Maestitia (Melodic Death Black-France)
- Maestitium (Melodic Death-Sweden)
- Maestrick (Progressive Power-Brazil)
- Maestro (Power Metal-Canada)
- Maestro Alex Gregory (Heavy Metal-USA) - Other name : MAG
- Maeströ Cröque Mört (Black Metal-Canada)
- Maéstus (Dungeon Synth-Other)
- Maestus (USA) (Doom Black-USA)
- Maestus (ITA) (Ambiant Black-Italy)
- Maestus (PL) (Black Death-Poland)
- Maesün (Symphonic power-Other)
- Maeth (Experimental Metal-USA)
- Maeve Of Connacht (Melodic Metal-Italy)
- Mafetasy (Death Metal-Portugal)
- Mafia (URU) (Thrash Metal-Uruguay)
- Mafia (RUS) (Heavy Metal-Russia)
- Mafuba (Alternative Metal-Germany)
- MAG (Progressive Metal-Canada)
- Mag Mell (Folk black-USA) - Other name : ex-Clontarf
- Magadã (Metal-Brazil) - Other name : MGD
- Magan (Black Metal-Mexico)
- Magane (Black Metal-Japan)
- Magazu (Black Metal-USA)
- Magdalen (Melodic Metal-USA)
- Tears Of Magdalena (Gothic Metal-Finland) - Other name : Magdalena Lee & The Project
- Magdallan (Melodic Metal-USA)
- Mage (Stoner Doom-United-Kingdom)
- Mage 4 (Hard Rock-Madagascar) - Other name : Mage Efatra
- Magec (Sludge Doom-Spain)
- Magefa (Death Metal-Germany)
- Magellan (RUS) (Heavy Metal-Russia)
- Magellan (USA) (Progressive Metal-USA)
- Magellan Dream (Heavy Metal-Belgium)
- Magenta (Gothic Electro-Norway)
- Magenta Harvest (Death Metal-Finland)
- Magg (Progressive Metal-Mexico)
- Stone The Crows (Heavy Rock-United-Kingdom) - Other name : STC, The Power, Maggie Bell and Stone the Crows
- Maggie's Madness (Heavy Metal-Germany)
- Serpentyne (Folk Metal-United-Kingdom) - Other name : Maggiebeth Sand & Serpentyne
- Scurvy (Porno Gore Grind-Sweden) - Other name : ex-Maggot
- Maggot Bath (Sludge Metal-Australia)
- Maggot Brain (Stoner-Spain)
- Maggot Colony (Brutal Death-Taiwan)
- Maggot Crown (Death Metal-USA)
- Maggot Ejaculation (Grind Death-United-Kingdom) - Other name : ex-Rectal Autopsy, ex-Primative XXX Autopsy, ex-Mortuary, ex-Devoured Genitals
- Maggot Erotica (Brutal Death-United-Kingdom)
- Maggot Factory (Brutal Death-USA)
- Maggot Farm (Thrash Metal-Norway)
- Maggot Fetus (Black Metal-Mexico)
- Maggot Infested (Death Grind-USA) - Other name : ex-Self Inflicted Shotgun Wound
- Maggot Infested Ventriculus (Porno Gore Grind-Sweden)
- Maggot King (Brutal Death-Australia)
- Maggot Sandwich (Noise Hardcore-USA)
- Maggot Shoes (Grind Death-Germany)
- Maggot Stuffed Cunt (Porno Gore Grind-United-Kingdom) - Other name : MSC
- Maggot Twat (Death Grind-USA)
- Maggot Vomit Afterbirth (Porno Gore Grind-USA)
- Maggoth (Thrash Metal-Poland)
- Maggotor (Heavy Metal-Germany)
- Cruscifire (Thrash Death-Brazil) - Other name : ex-Maggots
- Maggots (CH) (Thrash Metal-Switzerland)
- Maggots (NL) (Grindcore-Netherlands)
- Maggots (MEX) (Death Metal-Mexico)
- Maggots (GER) (Death Metal-Germany)
- Maggots Colony (Death Metal-Indonesia)
- Maggots In The Dead Skin (Death Grind-Mexico) - Other name : MxDxSx
- Maggottholamia (Brutal Death-Finland)
- Maggoty Corpse (Death Metal-Japan)
- Maggut (Grindcore-Japan)
- Magguts (Grind Death-USA)
- Maghanat (Death Thrash-Italy)
- Maghazi (Thrash Metal-Germany)
- Magi (Hard Rock-USA) - Other name : The Charge
- Magia Negra (Heavy Metal-Spain)
- Magia Posthuma (Black Metal-Belgium)
- Magia Saltus (Dungeon Synth-France)
- Magic Child (Hard FM-Germany)
- Magic Circle (Doom Metal-USA)
- Magic Dance (Hard FM-USA)
- Magic Infinity (Gothic Metal-Ukraine)
- Magic Kingdom (Symphonic power-Belgium)
- Magic Man (Heavy Metal-Germany)
- Magic-O-Metal (Heavy Metal-Netherlands) - Other name : Magic O Metal
- Magic Opera (Symphonic power-Italy)
- Magic Pie (Progressive Metal-Norway)
- Magica (Symphonic power-Romania)
- MMFHL (Electro Black-USA) - Other name : Magical Man From Happy Land
- Magician (Progressive Metal-Brazil)
- Magicien (Power Metal-Canada)
- Magicis Vulgaris Raptorem (Folk Metal-USA)
- Magick (Technical Thrash-Turkey)
- Magick Touch (Hard Rock-Norway)
- Magik Brite (Industrial Metal-Russia)
- Magika (Melodic Power-Argentina)
- Magilum (Gothic Metal-Turkey)
- Magion (Symphonic Metal-Netherlands)
- Magiska Krafter (Experimental Metal-Other)
- Magistarium (Symphonic Metal-Germany)
- Magister (Progressive Metal-Brazil)
- Magister Dixit (Symphonic Black-Canada)
- Magister Templi (Heavy Metal-Norway)
- MagisteriuM (Thrash Metal-Russia)
- Magistina Saga (Gothic Metal-Japan)
- Magistr (Melodic Power-Russia) - Other name : Магистр
- Magistraal (Black Metal-Netherlands)
- Magistral (CHL) (Melodic Power-USA)
- Magistral Flatulences (Porno Gore Grind-France) - Other name : MxFx
- MagiTech (Symphonic Metal-Italy)
- Magla (Black Metal-Croatia)
- Maglor (Folk black-Canada)
- Magma (SRB) (Thrash Metal-Serbia)
- Magma (ARG) (Heavy Metal-Argentina)
- Magma (LBY) (Progressive Death-Libya)
- Magma Dragon (Symphonic Heavy-USA)
- Magma Drift (Thrash Black-Belgium)
- Magma Lake (Melodic Power-Chile)
- Magma Rise (Stoner Doom-Hungary)
- Magmakammer (Stoner Doom-Norway)
- Magna (URU) (Thrash Black-Uruguay)
- Magna (Melodic Black-Mozambique)
- Magna Carta (Progressive Metal-Greece) - Other name : ex-Digital And Analog Dreams
- Magna Corporea (Atmospheric Black-Argentina)
- Magna Mortalis (Death Metal-Germany)
- Magna Umbra (Symphonic Metal-Brazil)
- Magna Veritas (Death Doom-Chile)
- Magna-Fi (Hard Rock-USA)
- Magnacult (Metalcore-Netherlands)
- Magnalucius (Power Metal-Chile)
- Magnanimvs (Brutal Death-Chile)
- Magnanym (Metal-France)
- Magnertron (Thrash Death-Australia)
- Magnesium (Power Metal-Canada)
- Magnetic Storm (Melodic Metal-Russia)
- Magnetoscop. (Progressive Metal-France)
- Magnetron (BRA) (Thrash Metal-Brazil)
- Magnetron (NL) (Thrash Metal-Netherlands)
- Magni Animi Viri (Symphonic Metal-Italy)
- Magnicida (Thrash Metal-Argentina)
- Magnicide (SGP) (Grindcore-Singapore)
- Magnicide (USA) (Hardcore-USA)
- Magnificat (Black Heavy-Germany)
- Magnificencia (Melodic Death-Brazil)
- Magnified Eye (Stoner-Denmark)
- Magnifiqat (Gothic Dark-Italy)
- Magnify My Agony (Death Thrash-France)
- Magnit (Melodic Power-Russia)
- Magnitude (Hardcore-USA)
- Magnitude 9 (POR) (Heavy Rock-Portugal)
- Magnitude 9 (USA) (Progressive Metal-USA)
- Magnolia (Hard Rock-Sweden)
- Magnolia's Devil (Stoner-Brazil)
- Magnorya (Thrash Death-Germany)
- Magnos (Heavy Metal-Argentina)
- Magnum (CUB) (Heavy Metal-Cuba)
- Magnum (UK) (Hard Rock-United-Kingdom)
- Magnum Cross (Atmospheric Death-Canada)
- Magnum Itiner Interius (Atmospheric Doom-USA) - Other name : MII
- Magnum Opus (Thrash Heavy-New-Zealand)
- Magnum Stallion (Hardcore-Canada)
- Magnus (USA) (Stoner Doom-USA)
- Magnus (PL) (Thrash Death-Poland)
- Magnus Anus (Thrash Death-Austria)
- Magnus Karlsson's Free Fall (Melodic Heavy-Sweden)
- Magnus Lumen (Power Metal-Brazil)
- Magnus Rising (Heavy Metal-Canada)
- Magnus Thorsen (Power Metal-United-Kingdom)
- Mägo De Oz (Folk Metal-Spain)
- Magoa (Metalcore-France)
- Magog (PL) (Thrash Death-Poland)
- Magog (GER) (Black Metal-Germany) - Other name : Evangeli
- Evangeli (Black Metal-Sweden) - Other name : ex-Magog
- Magogmagore (Brutal Death-United-Kingdom)
- Magor (HUN) (Heavy Metal-Hungary)
- Magor (ISR) (Black Metal-Israel)
- Magoth (Black Metal-Germany)
- Magrudergrind (Grindcore-USA)
- Magus (Brutal Death-USA)
- Magus Noctum (Black Metal-Slovenia)
- Magwi (Brutal Death-South-Korea)
- Magyla (Black Metal-Lithuania)
- Magzilla (Stoner Doom-Brazil)
- Mahakala (Heavy Metal-Greece)
- Mahanvhantara (Black Metal-Brazil)
- Maharaja (Stoner-USA)
- Mahatma (ITA) (Stoner Doom-Italy)
- Mahatma (KOR) (Thrash Metal-South-Korea)
- Mahavatar (Dark Metal-USA)
- Mahdyhell (Black Metal-Colombia)
- Mahen (Thrash Heavy-Greece)
- Mahestrya (Progressive Death-France)
- Mahlstrom (GER) (Hardcore-Germany)
- Mahlstrøm (Melodic Black-Belgium)
- Mahmood Hamasi (Progressive Metal-Iraq)
- Mahogany Head Grenade (Progressive Metal-USA)
- Frank Marino And Mahogany Rush (Hard Rock-Canada) - Other name : Mahogany Rush
- Maholix (Heavy Metal-Poland) - Other name : ex-Berial Flash, ex-Wicked Jester
- Mahpíya Lúta (Black Metal-USA) - Other name : Maȟpíya Lúta, Red Cloud
- Mahr (Black Metal-USA)
- Mahtar (Ambiant Black-Slovakia)
- Mahumodo (Experimental Metal-United-Kingdom)
- Maia (Brutal Death-Indonesia)
- Maïak (Atmospheric Metal-Switzerland)
- Maiar (Sludge Metal-USA)
- Schaffrath (Melodic Heavy-Germany) - Other name : ex-Maiclad
- Maiden Of Mars (Heavy Metal-France)
- Maiden United (Heavy Metal-Netherlands)
- Maiden Voyage (Funeral Doom-United-Kingdom)
- Lord Bloodfrozen (Gothic Metal-Lithuania) - Other name : Maidenhead Ripper
- Maidens (Post Hardcore-USA)
- Maidinmhór (Symphonic Black-United-Kingdom)
- Maids (Heavy Rock-Australia)
- Maïeutiste (Black Dark-France)
- Maieuttica (Metalcore-Brazil)
- Maigra (Alternative Metal-Poland)
- Maigre (Black Metal-France)
- Mailman (Metalcore-USA)
- MAIM (Folk Metal-Italy) - Other name : M.A.I.M.
- Maim (SWE) (Death Metal-Sweden)
- Maim (FRA) (Black Death-France)
- Maimed (OTH) (Death Metal-Other)
- Maimed (USA) (Death Doom-USA)
- Maimer (Death Metal-Russia)
- Main Attraction (Hard FM-Norway)
- Main Line Riders (Hard Rock-USA)
- Main Machine (Power Metal-Germany) - Other name : M.M
- Main-De-Gloire (Electro Metal-Belarus) - Other name : MDG
- Main:art (Progressive Metal-France)
- Maineeaxe (NWOBHM-United-Kingdom) - Other name : ex-Trans-Am
- Mainhorse (Hard Rock-Switzerland)
- Mainiax (Heavy Metal-USA)
- Mainline (Metalcore-Italy)
- Mnemic (Industrial Metal-Denmark) - Other name : Mainly Neurotic Energy Modifying Instant Creation
- MainPain (Heavy Metal-Italy)
- Mainpoint (Gothic Metal-Germany)
- Mains De Givre (Dark Ambient-Canada)
- Mainstreet (Heavy Metal-Germany)
- Mainstrike (Hardcore-Netherlands)
- Mainswitch (Deathcore-Estonia)
- Maintain (Metalcore-Germany)
- Maintower (Heavy Metal-Honduras)
- Mairia (Post Hardcore-France)
- Mairin (Progressive Metal-USA)
- Mais Uma Queda (Crossover-Portugal)
- Maisha (Deathcore-Spain)
- Maïsman (Fusion-France)
- Mait Sar (Black Metal-Thailand)
- Maithungh (Death Metal-Brazil)
- Maitreya (Dark Metal-Sweden)
- Maiwes (Deathcore-Russia)
- Maj Karma (Indus Gothic-Finland)
- Majak (Thrash Black-Germany)
- Majalis (Atmospheric Doom-Sweden)
- Majestat (Black Metal-Russia)
- Majeste (Thrash Metal-USA)
- Majeste Simphonia (Symphonic Black-Greece)
- Majester (Thrash Metal-Canada)
- Majestic (IDN) (Melodic Black-Indonesia)
- Majestic (SWE) (Symphonic power-Sweden) - Other name : ex-Lab Rat
- Majestic Dimension (Power Metal-Sweden)
- Majestic Downfall (Death Doom-Mexico)
- Majestic Empire (Melodic Black-Indonesia)
- Majestic Mass (Black Heavy-Denmark)
- Majestic Vanguard (Heavy Metal-Sweden) - Other name : ex-Divine Disciples
- Majestica (Melodic Power-Sweden)
- Majesties (Melodic Black Death-USA)
- Majesty (CAN) (Deathcore-Canada)
- Majesty (BOL) (Black Metal-Bolivia)
- Majesty (FIN) (Death Doom-Finland)
- Majesty (GER-1) (Heavy Metal-Germany)
- Majesty (GER-2) (Melodic Heavy-Germany)
- Majesty In Ruin (Doom Metal-USA)
- Majesty Night (Heavy Metal-Spain)
- Majesty Of Revival (Progressive Power-Ukraine)
- Majesty Of Silence (Melodic Black-Switzerland)
- Majesty (USA-1) (Hard Rock-USA)
- Majesty (USA-2) (Progressive Metal-USA)
- Majesty (USA-3) (Death Metal-USA)
- Majigoria (Neo Classical-Nicaragua)
- Majin (Metalcore-United-Kingdom)
- Major Affective Disorder (Thrash Metal-South-Africa)
- Major Denial (Progressive Metal-Greece)
- Major Instinct (Hard Rock-Sweden)
- Major Kong (Stoner Doom-Poland)
- Major Mistake (Grindcore-Finland)
- Majorem Gloriam (Melodic Power-Brazil)
- Majster Kat (Technical Thrash-Slovakia)
- Majustice (Power Metal-Other)
- Mak'er (Heavy Metal-USA)
- Makaber (Black Metal-Sweden)
- Makabrethy (Death Metal-Brazil)
- Makabrum (Black Metal-Other)
- Makakatron (Grindcore-Russia)
- Makam (Black Metal-Indonesia)
- Makam Selatan (Black Metal-Indonesia)
- Makaria (Progressive Death-Canada)
- Makasrr (Thrash Metal-Belgium)
- Makattopsy (Brutal Death-Turkey) - Other name : Ex-Skull of Doom
- Make A Change... Kill Yourself (Ambiant Black-Denmark)
- Make Believe Me (Post Hardcore-Australia) - Other name : MBM
- Make It Count (Hardcore-Germany)
- Make Me A Donut (Progressive Metal-Switzerland) - Other name : MMAD
- Make Me Alive (Post Hardcore-Brazil)
- Make Me Famous (Electro Metal-Ukraine) - Other name : MMF
- Make My Day (Metalcore-Japan) - Other name : MMD
- Make My Day (AUT) (Hardcore-Austria)
- Make Or Break (Hardcore-USA)
- Make Them Die Slowly (Grindcore-United-Kingdom)
- Make Them Suffer (Metalcore-Australia) - Other name : MTS
- Make Way For Man (Deathcore-Australia) - Other name : MWFM
- Make You Hopeless (Deathcore-China)
- Make-Up (Hard Rock-Japan)
- Makers (Metalcore-USA)
- Makeshift Graves (Hardcore-USA)
- Makeshift Romeo (Nu Metal-USA) - Other name : MSR
- Makhai (Metalcore-USA)
- Makina (Thrash Death-Mexico) - Other name : ex-Makina Negra
- Makinacion (Thrash Heavy-Argentina)
- Makinária Rock (Heavy Rock-Brazil)
- Making Monsters (Alternative Metal-United-Kingdom)
- Locracy (Thrash Death-Austria) - Other name : ex-Making Skies Fall
- Makle Kfuckle (Metalcore-Poland) - Other name : MK
- Makrothumia (Death Doom-Romania)
- Mal (Ambiant Black-Mexico)
- Mal Aliento (Noise Hardcore-Spain)
- Mal D'Aurore (Nu Metal-France)
- Mal De Pampa (Stoner-Chile)
- Mal Doror (Black Metal-Germany)
- Mal Etre (Ambiant Black-Switzerland)
- Mal Intent (Hardcore-USA)
- Mal Rojo (Death Metal-Ecuador)
- Mala Fide (GER) (Melodic Death Black-Germany)
- Mala Fides (Technical Death-Poland)
- Mala Fortuna (Hard Rock-Spain) - Other name : MF
- Mala Herba (Technical Death-Poland)
- Mala Medicina (Hard Rock-Argentina)
- Mala Praxis (Brutal Death-Mexico)
- Mala Suerte (Sludge Doom-USA)
- Malacandra (Death Metal-Brazil)
- Malacara (Heavy Metal-Argentina)
- Malacath (USA) (Black Metal-USA)
- Malacath (MEX) (Dark Ambient-Mexico) - Other name : Malacath
- Malacatus (Thrash Black-Ecuador)
- Malachi (Atmospheric Doom-USA)
- Malachia (Heavy Metal-USA) - Other name : ex-Bashan Tyre, ex-Vision
- Malachite (Death Metal-USA)
- Malaclypse (Death Metal-Australia)
- Malacoda (Gothic Metal-Canada)
- Malad (Experimental Metal-France)
- Maladaptive (Thrash Heavy-France)
- Maladdiction (Heavy Rock-USA)
- Maladecia (Folk Metal-Italy)
- Maladie (Progressive Black-Germany)
- Malafede (Black Metal-Italy)
- Malaflame (Black Metal-Italy) - Other name : Ex-Horta Funebra
- Horta Funebra (Black Metal-Italy) - Other name : Malaflame
- Malaikat Maut (Symphonic Black-Indonesia)
- Malaise (USA) (Black Metal-USA)
- Malaise (SWE) (Indus Gothic-Sweden)
- Malaise (CAN) (Black Metal-Canada)
- Malak (SLV) (Death Thrash-El Salvador)
- Malak (GER) (Black Metal-Germany)
- Fireswamp (Stoner-USA) - Other name : ex-Malakai
- Malakai (Death Grind-USA)
- Malakh (Unblack-South-Korea)
- Malakhim (Black Metal-Sweden)
- Malakhor (Black Metal-Italy)
- Cypher Seer (Power Metal-USA) - Other name : ex-Malakis Reign
- Malakwa (Industrial Metal-France)
- Malakyte (Thrash Metal-Australia)
- Malämmar (Doom Metal-Spain)
- Malamor (Brutal Death-USA)
- Malamorte (Heavy Metal-Italy)
- Malamute (Alternative Metal-USA)
- Malanoctem (Metal-Italy)
- Malaöun (Black Metal-Malaysia)
- Malapetaka (Thrash Death-Malaysia)
- Malaphar (Death Metal-Germany) - Other name : Abyz
- Malarazza (Grindcore-Italy)
- Malaria (Grind Death-Canada)
- Malariah (Death Metal-France)
- Malas (Death Thrash-USA)
- Malas Artes (Hard Rock-Spain)
- Malasangre (Funeral Doom-Italy)
- Malatesta (Metal-France)
- Malauriu (Black Metal-Italy)
- Malaverany (Death Doom-Spain)
- Malcavian (Death Grind-USA)
- Malchus (Melodic Death-Poland)
- Malcuidant (Black Metal-France) - Other name : ex-Somnificus
- Maldevera (Technical Thrash-USA)
- Maldia (Heavy Metal-Spain)
- Maldição (POR) (Black Metal-Portugal)
- Maldição (BRA) (Black Metal-Brazil)
- Maldiciòn (Thrash Black-USA)
- Maldición 666 (Black Metal-Colombia)
- Maldisdeun (Death Doom-USA)
- Maldita (Industrial Metal-Brazil)
- Maldita Profecía (Metal-Mexico)
- Maldito (Thrash Death-Mexico)
- Malditos (Thrash Metal-Argentina)
- Malditura (Death Metal-Panamá)
- Maldoror (ITA) (Black Metal-Italy)
- Maldoror (FRA) (Black Metal-France)
- Malduguns (Death Metal-Latvia)
- Male Misandria (Grindcore-Italy) - Other name : Mm
- Malebolge (Death Metal-Mexico)
- Malebolgia (Brutal Death-USA)
- Malebouge (Black Metal-Brazil)
- Malebranche (Atmospheric Black-Canada)
- Maleceptor (Brutal Death-United-Kingdom)
- Malecoda (Death Metal-USA) - Other name : ex : Malebolgia
- Maledeth (Metal-Italy)
- Maledetti Draconi (Gothic Metal-Mexico)
- Maledia (Gothic Metal-Italy)
- Maledicere (Black Metal-USA)
- Maledict (Black Metal-USA)
- Undertaker (USA-1) (Death Grind-USA) - Other name : ex-Maledict
- Maledicta (Thrash Black-Italy)
- Malediction (HUN) (Death Metal-Hungary)
- Malediction (USA) (Thrash Metal-USA)
- Malediction (MEX) (Black Metal-Mexico)
- Malediction (BRA) (Death Metal-Brazil)
- Malediction (UK) (Death Grind-United-Kingdom)
- Malediction (FRA-1) (Heavy Metal-France)
- Malediction (FRA-2) (Black Metal-France)
- Malediction of Agony (Black Metal-Poland)
- Malediction (USA-2) (Death Metal-USA)
- Maledictis (USA) (Symphonic Metal-USA)
- Maledictis (ARG) (Heavy Metal-Argentina)
- Maledictis (JAP) (Symphonic Black-Japan)
- Maledictive Pigs (Death Metal-Germany)
- Maledictory (Death Metal-Turkey)
- Maledictum (Black Metal-Chile)
- Maledictvm Avernalis (Black Metal-Colombia)
- Maledictvs (Black Metal-USA)
- MaleDivine (Death Metal-Canada)
- Malefaction (CAN) (Grind Death-Canada)
- Malefaction (USA) (Black Metal-USA)
- Malefactor (BRA) (Melodic Death-Brazil)
- Malefactor (USA) (Death Metal-USA)
- Cult Of Hate (Black Metal-Dominican-Republic) - Other name : ex-Malefic
- Malefic (UK) (Death Metal-United-Kingdom)
- Malefic By Design (Black Death-Finland)
- Malefic Horde (Black Metal-Paraguay)
- Malefic Levitation (Black Death-USA)
- Malefic Mist (Black Metal-Italy)
- Malefic Oath (Doom Black-Netherlands)
- Malefic Order (Black Metal-Turkey)
- Malefic Sorcery (Black Metal-Australia)
- Malefic Throne (Death Metal-USA)
- Malefic (USA-1) (Death Black-USA)
- Malefic (USA-2) (Black Death-USA)
- Malefic Witch (Thrash Metal-USA)
- Malefica (Black Death-Germany)
- Maleficarum (BLR) (Atmospheric Black-Belarus)
- Maleficarum (ITA) (Technical Death-Italy)
- Maleficarum (BRA) (Black Metal-Brazil)
- Maleficarum (COL) (Black Metal-Colombia)
- Maleficarum Attack (Thrash Death-Mexico)
- Maléfice (CAN) (Black Metal-Canada)
- Malefice (UK) (Metalcore-United-Kingdom)
- Maléfice (FRA-1) (Heavy Metal-France)
- Maléfice (FRA-2) (Black Metal-France)
- Maleficence (Thrash Black-Belgium)
- Maleficencia (Black Metal-Bolivia)
- Maleficent (Industrial Electro-United-Kingdom)
- Maleficentia (Symphonic Black-France)
- Mäleficentt (Black Metal-USA)
- Maléfices (Black Metal-Canada)
- Maleficia (NIC) (Death Metal-Nicaragua)
- Maleficia (FIN) (Black Metal-Finland)
- Maleficio (COL) (Black Metal-Colombia)
- Maleficio (SWE) (Melodic Death-Sweden)
- Maleficio 666 (Thrash Black-Colombia)
- Maleficium (AUS) (Death Metal-Australia)
- Maleficium Arungquilta (Gothic Metal-Russia)
- Maleficium (NLD) (Death Doom-Netherlands)
- Maleficu Santificatu (Black Metal-Italy)
- Maleficum (Black Metal-Portugal)
- Maleficum Orgia (Black Metal-France)
- Maleficum Strike (Thrash Black-Chile)
- Maleficus (Melodic Black-France)
- Maleficus Angelus (Black Metal-Slovenia)
- Malefistum (Melodic Death-Germany)
- Malegnus (Ambiant Black-Colombia)
- Maleit (Black Death-Spain)
- Malekhamoves (Death Metal-France)
- Malementé (Black Metal-France)
- Malemort (Hard Rock-France)
- Malemort (FRA-1) (Death Doom-France)
- Malencolie (Black Death-Italy)
- Malenka (Gothic Metal-Greece)
- Malenuit (Ambiant Black-France)
- Malepeste (Black Metal-France)
- Malerose (Visual Kei-Thailand)
- Malesanctus (Black Metal-France)
- Malessere Interiore (Doom Black-Italy)
- Malet Grace (Power Metal-Italy)
- Malev6 (Death Metal-Finland)
- Maleva (Pagan Folk-Estonia) - Other name : Imp
- Imp (Thrash Metal-Estonia) - Other name : Maleva
- Maleventia (Black Metal-Mexico)
- Maleventum (Black Metal-Colombia)
- Maleventy (Death Metal-Brazil)
- Malevolence (UK) (Hardcore-United-Kingdom)
- Malevolence (POR) (Melodic Death-Portugal)
- Malevolence (NZ) (Grind Death-New-Zealand)
- Malevolence (CAN) (Thrash Death-Canada)
- Malevolent (OTH) (Symphonic Metal-Other)
- Malevolent (USA) (Progressive Metal-USA)
- Malevolent Creation (Death Metal-USA) - Other name : ex-Resthaven
- Malevolent Design (Black Death-USA)
- Ancestral Fog (Black Metal-United-Kingdom) - Other name : ex-Malevolent Empyrium
- Malevolent Force (USA-1) (Progressive Heavy-USA)
- Malevolent Force (USA-2) (Thrash Metal-USA)
- Malevolent Hand (Thrash Heavy-Canada)
- Malevolent Sneaker Tooth (Thrash Death-USA)
- Malevolentia (Symphonic Black-France)
- Malevolents (Thrash Heavy-Canada)
- Malevolic (Black Metal-Spain)
- Malevolus (Black Metal-Chile)
- Malevolus Storm (Black Metal-USA)
- Malex (Progressive Power-Singapore)
- Maley (Power Metal-Argentina)
- Malfeasance (Black Metal-Spain)
- Obtruncation (Death Metal-Netherlands) - Other name : ex-Malfeidor
- Malfeitor (UK) (Black Metal-United-Kingdom)
- Strid (Black Metal-Norway) - Other name : ex-Malfeitor
- Malfeitor (SWE) (Death Metal-Sweden)
- Malfeitor (USA) (Thrash Death-USA)
- Malfeitor (ITA) (Black Metal-Italy)
- Malfested (Death Metal-Belgium)
- Malfet (Dungeon Synth-USA)
- Malfete (Ambiant Black-France)
- Malformation (Brutal Death-Poland)
- Iudicium (Black Metal-Bulgaria) - Other name : Malformation
- Malformed (FIN) (Death Metal-Finland)
- Malformed (CRO) (Death Metal-Croatia)
- Malformed (MEX) (Grind Death-Mexico)
- Malformity (Death Metal-USA)
- Malfunction (Hardcore-USA)
- Malfunkshun (Grunge-USA)
- Malgöth (Black Death-Canada)
- Malhavoc (Industrial Metal-Canada)
- Malhkebre (Black Metal-France)
- Maliblis (Death Metal-USA)
- Malibu Barbi (Power Metal-USA)
- Malice (ESP) (Black Death-Spain)
- Malice (USA) (Heavy Metal-USA)
- Malice (UKR) (Black Metal-Ukraine)
- Malice At The Palace (Hardcore-USA)
- Malice Divine (Black Death-Canada)
- Malice In Wonderland (GER) (Symphonic Metal-Germany)
- Malice In Wonderland (NOR) (Glam Rock-Norway)
- Malice Mizer (Visual Kei-Japan)
- Malice Persistence (Progressive Heavy-Canada)
- Malice Strikes (Hardcore-USA)
- Malice (USA-2) (Heavy Metal-USA)
- Malichor (Black Death-Australia)
- Malicia (Thrash Metal-Argentina)
- Malicioum (Death Thrash-Sweden)
- Malicious (Death Metal-Finland)
- Malicious Birth (Drone-Philippines)
- Malicious Curse (Thrash Death-Germany)
- Malicious Damage (Death Thrash-USA)
- Malicious Death (Thrash Metal-Finland)
- Malicious Disfigurement (Death Metal-United-Kingdom)
- Malicious Disorder (Thrash Neo-USA)
- Malicious Dream (Progressive Death-Netherlands)
- Malicious Grind (Crossover-USA)
- Malicious Hate (Death Grind-USA)
- Malicious Intent (BRA) (Death Grind-Brazil)
- Malicious Intent (CAN-1) (Thrash Metal-Canada)
- Malicious Intent (CAN-2) (Thrash Metal-Canada)
- Malicious Onslaught (Death Thrash-USA)
- Malicious Prophecies (Death Metal-Mexico)
- Malicious Secrets (Black Metal-France)
- Malicious Silence (Thrash Death-Greece)
- Malign (Black Metal-Sweden)
- Malign Prophecy (Black Metal-USA)
- Malign Starfist (Heavy Metal-USA)
- Maligna (Heavy Metal-Brazil)
- Maligna Arte Blasfêmica (Black Metal-Brazil)
- Malignament (Black Metal-Finland)
- Malignance (USA) (Thrash Metal-USA)
- Malignance (ITA) (Black Metal-Italy)
- Malignancy (Technical Death-USA)
- Malignant (GRC) (Hardcore-Greece)
- Malignant (USA) (Death Metal-USA)
- Malignant (MEX) (Black Metal-Mexico)
- Swine Overlord (Death Grind-USA) - Other name : SO, ex-Malignant Abomination, ex-Hypoxic
- Malignant Altar (Death Metal-USA)
- Malignant Asceticism (Black Metal-Chile)
- Malignant Christ (Death Metal-USA)
- Malignant Decay (Porno Gore Grind-USA)
- Malignant Defecation (Porno Gore Grind-Italy)
- Malignant Eternal (Industrial Black-Norway)
- Malignant Excremental (Death Metal-Brazil)
- Malignant Germ Infestation (Porno Gore Grind-United-Kingdom) - Other name : MGI
- Malignant Inception (Black Death-USA)
- Malignant Intent (Death Metal-United-Kingdom)
- Malignant Mist (Technical Death-Iceland)
- Malignant Monster (Death Thrash-Australia)
- Malignant Noise Regurgitation (Experimental Metal-Colombia) - Other name : MNR
- Malignant Obscurity (Black Metal-USA)
- Malignant Rot (Brutal Death-USA)
- Malignant Saviour (Death Metal-South-Africa)
- Malignant Spawn (Brutal Death-USA)
- Malignant Tumour (Death'n'Roll-Czechia)
- Malignant (USA-2) (Death Metal-USA)
- Malignant Wizard (Black Metal-El Salvador)
- Malignari (Progressive Heavy-USA)
- Malignea (Symphonic Metal-Portugal)
- Malignent (Thrash Metal-USA)
- Vile Descent (Thrash Metal-USA) - Other name : ex-Malignent
- Maligner (Thrash Death-Sweden)
- Malignet (Thrash Metal-USA)
- Malignitas (Black Metal-Germany)
- The Great Collapse (Progressive Metal-Canada) - Other name : ex-Malignity
- Malignity (Death Thrash-Netherlands)
- Maligno (GER) (Thrash Black-Germany)
- Maligno (ARG) (Thrash Metal-Argentina)
- Maligno (MEX) (Stoner Doom-Mexico)
- Malignum (PER-1) (Technical Death-Peru) - Other name : ex-Concreto
- Malignum (PER-2) (Black Metal-Peru) - Other name : ex-Desastre, ex-Death Malignum, ex-Moredeath
- Malignus (ECU) (Black Metal-Ecuador)
- Malignus (AUS) (Brutal Death-Australia)
- Malignus (FIN) (Black Metal-Finland)
- Malignus Goat (Black Metal-Brazil)
- Malignus Youth (Hardcore-USA)
- Malinche (Stoner-Mexico)
- Malinconia (Gothic Doom-Ukraine)
- Maline (Heavy Metal-Italy)
- Malinvern (Melodic Black-Italy)
- Malisha (Melodic Metal-USA)
- Malison (Heavy Metal-USA)
- Malison Rogue (Progressive Heavy-Sweden) - Other name : ex-Ashes
- Malist (Black Metal-Russia)
- Malitia (Thrash Metal-USA)
- Malkavian (ITA-2) (Thrash Metal-Italy) - Other name : Malkävian
- Malkavian (FRA) (Thrash Metal-France) - Other name : MKV
- Malkavian (ITA-1) (Crust-Italy)
- Malkbeth (Black Metal-Brazil)
- Malkira (Black Metal-Canada)
- Malkovich (Hardcore-Netherlands)
- Malkuth (CRO) (Ambiant Black-Croatia)
- Malkuth (BRA) (Pagan Black-Brazil)
- Malkuth (USA) (Black Metal-USA)
- Mallediction (Death Black-Greece)
- MalleficaruM (Death Thrash-Spain)
- Mallephyr (Death Black-Czechia)
- Mallet-Head (Hard Rock-USA) - Other name : Mallet Head
- Malleus (Black Metal-USA)
- Malleus (ITA) (Deathcore-Italy)
- Malleus (BRA) (Black Metal-Brazil)
- Malleus (POR) (Black Metal-Portugal)
- Malleus Maleficarum (MEX) (Melodic Death Black-Mexico)
- Malleus Maleficarum (FRA) (Black Metal-France)
- The Kindred (Melodic Death-Australia) - Other name : ex-Malleus Malleficarum
- Mallevs Maleficarvm (Melodic Black-Germany)
- Mallevs Maleficarvm Experience (Black Death-Barbados)
- Mallior (Black Metal-Hungary) - Other name : ex-Arvisura
- Mallitiae (Black Metal-Portugal)
- Mallory (Folk Metal-Spain)
- Mallotromy (Metal-France)
- Mallumejo (Black Metal-USA)
- Malmas (Progressive Metal-United-Kingdom)
- Malmhrid (Black Metal-Norway)
- Malmonde (Cyber Metal-France)
- Malmort (Black Metal-France)
- Malmoth (Sludge Metal-France)
- Malnätt (Folk black-Italy) - Other name : ex-Kolon, ex-Asgard
- Malnurture (Black Death-USA)
- Malo De Dentro (Metalcore-USA)
- Malo Mortuum (Atmospheric Black-USA)
- Malo Santo (Thrash Metal-Panamá)
- Malobestio (Black Metal-France)
- Malodorous (Brutal Death-USA)
- Malodorous Oblation (Death Grind-Other)
- MaLoGa (Death Metal-Argentina)
- Maloic (Melodic Death-India)
- Maloik (Heavy Metal-Germany)
- Malokarpatan (Black Metal-Slovakia)
- Malokio (Heavy Metal-Chile)
- Malombra (Progressive Heavy-Italy)
- Malon (Thrash Metal-Argentina) - Other name : Malón,La H No Murió
- Malory (Symphonic Heavy-Argentina)
- Malpas (Black Metal-Italy)
- Malpertuus (Black Metal-Belgium)
- Malpest (Black Metal-France)
- Malphas (UK) (Black Death-United-Kingdom)
- Malphas (CH) (Black Metal-Switzerland)
- Malphas (FRA) (Black Metal-France)
- Malphas (USA-1) (Melodic Death-USA)
- Malphas (USA-2) (Melodic Black-USA)
- Malpractice (USA) (Technical Thrash-USA)
- Malpractice (FIN) (Progressive Metal-Finland)
- Malpractice Insurance (Grindcore-USA)
- Malpraxis (Brutal Death-Romania)
- Malrun (Progressive Metal-Denmark)
- Malsain (Black Metal-Norway)
- Malsaination (Black Metal-France)
- Malsanctum (Funeral Doom-Canada)
- Malsano (Brutal Death-Colombia)
- Malsrud (Melodic Death-Sweden)
- Malsten (Doom Metal-Sweden)
- Malstrom (USA) (Melodic Death-USA)
- Malstrom (FRA) (Hardcore-France)
- Maltese Falcon (Heavy Metal-Denmark)
- Malteze (Heavy Metal-USA)
- Maltheist (Death Grind-USA)
- Malthrom (Black Metal-Brazil)
- Malthus (Progressive Death-France)
- Sect Of Execration (Brutal Death-USA) - Other name : Malthusia, Pogromy
- Malthusia (Brutal Death-USA)
- Malthusian (Black Death-Ireland)
- Malthusian Kommand (Black Metal-USA)
- Maltractor (NOR) (Power Metal-Norway)
- Maltross (Stoner-USA)
- Maltum (Black Death-Slovakia)
- Malum (FIN) (Black Metal-Finland)
- Malum (SWE) (Fusion-Sweden)
- Malum In Se (Black Metal-Poland)
- Malum Mortuus (Black Metal-USA)
- Malummeh (Metalcore-Finland)
- Kuria (Metalcore-Finland) - Other name : ex-Malummeh
- Malus (GER-1) (Black Metal-Germany)
- Malus (GER-2) (Thrash Metal-Germany)
- Malus Lupus (Dark Ambient-Finland)
- Malus Rex (Thrash Metal-USA)
- Malus Votum (Black Metal-USA)
- Malvein Helix (Gothic Metal-Japan)
- Malveliance (Black Metal-France)
- Malvento (Black Metal-Italy)
- Malvery (Black Metal-Canada)
- Malvo (Death Thrash-Finland)
- Malvoisie (Ambiant Black-Switzerland)
- Malvomed (Technical Death-Indonesia)
- Malygris (Black Metal-Italy)
- Malysteria (Black Metal-France)
- Malzaham (Black Metal-Turkey)
- Malzera (Melodic Black-Canada)
- Mourning After Massacre (Deathcore-USA) - Other name : MAM
- Mama (PL) (Heavy Rock-Poland)
- Mama (GER) (Hard Rock-Germany)
- Mama Doom (Doom Metal-USA) - Other name : ex-The Gentling
- Mama Kin (Hard Rock-Sweden)
- Mama's Boys (Hard Rock-Ireland) - Other name : ex-Pulse
- Mama's Pride (Southern Rock-USA)
- Mamagreyo (Fusion-France)
- Mamaleek (Avantgardiste Black-USA)
- Mamma Kin (Hard Rock-Greece)
- Mammal (Hard Rock-Australia)
- Mammatus (Sludge Doom-USA)
- Mammon (AUT) (Black Death-Austria)
- Mammon (PL) (Black Metal-Poland)
- Mammon (USA) (Black Metal-USA)
- Mammot (Black Metal-USA)
- Thrailkill (Progressive Metal-USA) - Other name : Mammoth
- Mammoth (NZ) (Atmospheric Metal-New-Zealand)
- Mammoth Grinder (Death Metal-USA)
- Mammoth Mammoth (Stoner-Australia)
- Mammoth Storm (Stoner Doom-Sweden)
- Mammoth (UK-1) (Drone-United-Kingdom)
- Mammoth (UK-2) (Heavy Metal-United-Kingdom)
- Mammoth Volume (Stoner-Sweden)
- Mammoth Weed Wizard Bastard (Sludge Doom-United-Kingdom)
- Mammoth WVH (Hard Rock-USA)
- Mammothor (Hard Rock-USA)
- Mammoths (Screamo-USA)
- Mammoths On Giants (Progressive Metal-Turkey) - Other name : MOG
- Mammut (GER) (Hard Rock-Germany)
- Mammut (SWE) (Stoner Doom-Sweden)
- Mammutant (Industrial Death-Germany)
- Mamonas Assassinas (Hard Rock-Brazil)
- Mamono (Dark Metal-Japan) - Other name : ???
- Mamorlis (Heavy Metal-USA)
- Mamut (ARG) (Thrash Metal-Argentina)
- Mamut (HUN) (Speed Metal-Hungary)
- Mamuthe (Thrash Metal-Brazil)
- Mamyth (Folk Metal-Finland)
- MAN (Nu Metal-Sweden) - Other name : Massive Audio Nerve
- Man Among Stars (Black Metal-Romania)
- Man Daitõrgul (Black Metal-Spain) - Other name : Man Daitorgul
- Man Destroys Himself (Death Grind-USA)
- Man Down (Death Metal-Bosnia and Herzegovina)
- Man Gremmes Kan (Black Metal-Norway)
- Sarcoma (USA-1) (Thrash Metal-USA) - Other name : ex-Man In Nightmare, ex-Black Summer, ex-Metalstorm
- Man In Pain (Heavy Metal-Argentina)
- Man Is The Bastard (Noise Hardcore-USA) - Other name : Bastard Noise / Charred Remains / The Skull
- Man Made God (Progressive Death-USA)
- Man Made Man (Thrash Death-USA)
- Man Made Origin (Progressive Black-United-Kingdom)
- Man Made Predator (Melodic Death-Germany) - Other name : MMP
- Man Made Suicide (Thrash Metal-Luxembourg)
- Man May Be (Progressive Metal-USA)
- Man Must Die (Technical Death-United-Kingdom) - Other name : MMD
- Man Of Kin (Thrash Metal-United-Kingdom)
- Man Of Sorrows (Metalcore-USA)
- Man Of The Hour (Stoner Doom-United-Kingdom)
- Man Raze (Hard Rock-United-Kingdom)
- Man The Conveyors (Crust-USA)
- Man The Machetes (Hardcore-Norway)
- Man The Machine (Deathcore-USA)
- Man To Man (Heavy Metal-South-Korea)
- Man Versus Malice (Metalcore-USA)
- Man Will Destroy Himself (Hardcore-USA)
- Man-Witch (Thrash Metal-USA)
- Man'n Sin (Modern Metal-France)
- Mana Prime (Heavy Metal-Switzerland)
- Manach Seherath (Symphonic Heavy-Italy)
- Manacle (Speed Heavy-Canada)
- Managarm (USA) (Black Metal-USA)
- Managarm (DK) (Pagan Black-Denmark)
- Manakel (Heavy Metal-Spain)
- Manal (Metal-France)
- Manala (Black Metal-Finland)
- Manalyth (Deathcore-USA)
- Manam (Melodic Death-Italy)
- Manamana (Alternative Metal-USA)
- Manananggal (Doom Black-USA)
- Manatark (Black Death-Estonia)
- Manatees (Atmospheric Sludge-United-Kingdom)
- ManBearPig (Death Metal-USA)
- Manbryne (Black Metal-Poland)
- Mancubus (Brutal Death-Russia)
- Mandalay Victory (Metalcore-Australia)
- Mandara (Symphonic power-Hungary)
- Mandator (Thrash Speed-Netherlands)
- Mandatory (AUT) (Thrash Death-Austria)
- Mandatory (MLS) (Death Black-Malaysia)
- Mandatory (GER) (Death Metal-Germany)
- Mandatory Death (Thrash Metal-Canada)
- Mandibula (AUT) (Thrash Black-Austria)
- Mandibula (Thrash Black-Portugal)
- Mandibulla (Stoner Doom-Brazil)
- Mandiga (Melodic Black-Ecuador)
- Mandingazo (Death Metal-Chile)
- Manditory (Heavy Metal-USA)
- Mandoble (Symphonic Metal-Argentina)
- Mandoria (Melodic Death-Czechia)
- Mandowar (Hard Rock-Germany)
- Mandra (Thrash Metal-Mexico)
- Mandrágora (Thrash Speed-Ecuador)
- Mandragora (GTM) (Thrash Metal-Guatemala)
- Mandragora (MEX) (Heavy Metal-Mexico)
- Mandragora (PER) (Heavy Metal-Peru)
- Mandragora (SVK) (Thrash Metal-Slovakia)
- Mandragora (FIN) (Melodic Doom-Finland)
- Mandragora (LTU) (Melodic Death-Lithuania)
- Mandrágora (CR) (Thrash Metal-Costa-Rica)
- Mandragora Malevola (Black Death-Portugal)
- Mandrágora Negra (Heavy Metal-Spain)
- Mandragora Scream (Gothic Dark-Italy)
- Mandragor(e) (Heavy Metal-France)
- Mandragore (MEX) (Death Metal-Mexico)
- Mandragore (GRC) (Symphonic Metal-Greece)
- Mandragore (FRA) (Heavy Metal-France) - Other name : Ex-Danae
- Arctic Fields (Power Metal-Germany) - Other name : ex-Mandrake
- Mandrake (DK) (Heavy Metal-Denmark)
- Mandrake (USA) (Hard Rock-USA)
- Mandrake Garden (Heavy Metal-Australia)
- Mandrake (GER-1) (Gothic Metal-Germany)
- Mandrake (GER-2) (Heavy Metal-Germany)
- Mandroid Echostar (Progressive Metal-Canada)
- Mandroïd Of Krypton (Thrash Heavy-Switzerland)
- Mandrosys (Avantgardiste Black-France)
- Mandycton (Power Metal-Japan)
- Mandylion (Melodic Power-Japan)
- Manea (Melodic Metal-France)
- Månegarm (Viking Black-Sweden) - Other name : ex-Antikrist
- Maneihdag (Symphonic Black-Italy)
- Manes (Industrial Electro-Norway)
- Manesyke (Black Metal-France)
- Manetheren (Atmospheric Black-USA)
- Manetory (Thrash Metal-Germany)
- Manfected (Progressive Death-United-Kingdom)
- Manfisto (Thrash Metal-Argentina)
- Manfrea (Black Death-Russia)
- Mang Ont (Stoner Doom-Estonia)
- Manga (Nu Metal-Turkey) - Other name : maNga
- Manga De Bestias (Melodic Death-Argentina)
- Mange (Sludge Doom-USA)
- Mange L'Ours Mange (Fusion-Canada)
- Manggam (Black Metal-Malaysia)
- Mangled (USA) (Thrash Death-USA)
- Mangled (NL) (Death Grind-Netherlands)
- Mangled (CHL) (Thrash Death-Chile)
- Mangled Atrocity (Brutal Death-USA)
- Mangled Carpenter (Death Grind-USA)
- Mangled Condition (Death Grind-Indonesia)
- Mangled Torsos (Death Metal-Germany)
- Mangled Whore Flesh (Grind Death-USA)
- Mangler (CAN) (Death Thrash-Canada)
- Mangler (SWE) (Death Metal-Sweden)
- Mangler (RUS) (Brutal Death-Russia)
- Mangog (Doom Metal-USA)
- Mangoo (Heavy Rock-Finland)
- Mangrove (Stoner-Sweden)
- Manhack (Deathcore-USA)
- Manhattan Project (GRC) (Progressive Metal-Greece)
- Manhattan Project (Deathcore-USA) - Other name : MP
- Manheim (Melodic Black-Croatia)
- Tura Satana (Hardcore-USA) - Other name : ex-Manhole
- Manhole (Metal-USA)
- Manholm (Thrash Black-Denmark)
- Manhunt (AUS) (Grindcore-Australia)
- Manhunt (ITA) (Thrash Metal-Italy)
- Manhunter (Stoner Doom-Norway)
- Mania (ITA) (Thrash Metal-Italy)
- Mania (GER-1) (Melodic Power-Germany)
- Mania (GER-2) (Thrash Black-Germany)
- Mania (USA-1) (Black Metal-USA)
- Mania (USA-2) (Heavy Metal-USA)
- Maniac (ESP) (Thrash Metal-Spain)
- Maniac (AUT) (Speed Metal-Austria)
- Maniac (CAN) (Thrash Metal-Canada)
- Maniac (USA) (Thrash Metal-USA)
- Maniac (FRA) (Death Metal-France)
- Maniac (CH) (Thrash Metal-Switzerland)
- Maniac (PER) (Thrash Metal-Peru)
- Maniac Abductor (Thrash Metal-Finland)
- Maniac Butcher (Black Metal-Czechia)
- Chained The Fenrir (Metalcore-Chile) - Other name : Maniac Dementia
- Maniac Depressive (Black Metal-Mexico)
- Maniac (ESP-2) (Thrash Metal-Spain)
- Maniac Force (Thrash Metal-Brazil)
- Maniac Forces (Thrash Metal-Netherlands)
- Maniac Frost And Flames (Black Metal-Brazil)
- Maniac Goat (Black Metal-Brazil)
- Maniac Killer (Porno Gore Grind-USA)
- Maniac Saint (Power Metal-Austria)
- Maniac Spleen (Fusion-France)
- Maniac (USA-1) (Hardcore-USA)
- Maniac Winds (Thrash Black-Chile)
- Maniac Within (Thrash Metal-Austria)
- Maniacal (Thrash Neo-Australia)
- Maniacal Force (Death Thrash-USA)
- Maniacal Violator (Black Death-USA)
- Maniaco (Death Metal-Chile)
- Maniae (Black Metal-France)
- Maniak (Black Metal-Philippines)
- Maniak Cop (Heavy Metal-USA)
- Maniakal Torment (Death Metal-United-Kingdom)
- Manialine (Alternative Metal-France)
- Maniard (Stoner Doom-France)
- Manias (Death Grind-USA)
- Maniatico (Death Thrash-Chile)
- Maniaxe (MEX) (Speed Metal-Mexico) - Other name : Maniax
- Dauntless (Thrash Death-Finland) - Other name : Maniax
- Maniaxe (Thrash Metal-Australia)
- Manic Adrift (Death Metal-Germany)
- Manic Depression (Thrash Metal-Russia)
- Manic Depressive (Thrash Black-USA)
- MDP (UKR) (Funeral Doom-Ukraine) - Other name : Manic Depressive Psychosis
- Manic Disease (Thrash Metal-Austria) - Other name : ex-Frantic Tormentor, ex-Nekromantik
- Manic Eden (Hard Rock-USA)
- Manic Movement (Gothic Metal-Belgium)
- Manic Oddity (Progressive Death-Australia)
- Manic Opera (Progressive Death-Australia)
- Manic Outburst (Thrash Metal-USA)
- Manic Scum (Death Grind-USA)
- Manic Sinners (Heavy Rock-Romania)
- Manic (USA-1) (Thrash Metal-USA)
- Manic (USA-2) (Grindcore-USA)
- Manica (Dark Ambient-Netherlands)
- Manierisme (Black Metal-Japan)
- Manifest (CH) (Death Metal-Switzerland)
- Manifest (USA) (Heavy Metal-USA)
- Manifest (FRA) (Power Metal-France)
- Manifest (NOR) (Death Thrash-Norway)
- Manifest Destiny (Thrash Metal-USA)
- Manifest (USA-2) (Power Metal-USA)
- Manifestación Diabólica (Black Metal-Colombia)
- Manifestation (AUS) (Death Metal-Australia)
- Manifestation (NOR) (Doom Black-Norway)
- ManifeStatioN (Hardcore-Germany)
- Manifestic (Thrash Speed-Germany)
- Manifesting (Death Metal-USA)
- Manifesting Obscenity (Brutal Death-Russia)
- Manifestium (Gothic Death-Finland)
- Manifestor (Death Thrash-Sweden)
- Manifiesto (Thrash Heavy-Argentina)
- Manifold Object (Progressive Metal-Finland)
- Manigance (Melodic Metal-France)
- Manii (Black Metal-Norway)
- Manik Thorns (Black Metal-USA)
- Manila Thrills (Melodic Heavy-USA)
- Manilla Road (Heavy Metal-USA)
- Manimal (SWE) (Heavy Metal-Sweden)
- Manimal (FRA) (Atmospheric Death-France)
- Manimalism (Metal-Norway) - Other name : ex-Taarenes Vaar
- Manimals (Heavy Metal-USA)
- ManInFeast (Progressive Metal-Portugal)
- Maninkari (Experimental Metal-USA)
- Maninnya Blade (Speed Metal-Sweden)
- Manipulated Calamity (Brutal Death-USA)
- Manipulated Mutilation (Deathcore-USA) - Other name : MM
- Manipulated Slaves (Power Metal-Japan)
- Manipulation (Death Metal-Poland)
- Manipulator (Death Metal-France)
- Manitoba's Wild Kingdom (Crossover-USA)
- Manitou (NOR) (Progressive Metal-Norway)
- Manitou (FIN) (Progressive Heavy-Finland)
- Manitou (NL) (Doom Black-Netherlands)
- Manitou (PL-1) (Thrash Metal-Poland)
- Manitou (PL-2) (Thrash Death-Poland)
- Manitu (Black Metal-Colombia)
- Manivia (Heavy Metal-Germany)
- Mankind (Heavy Metal-Colombia)
- Mankind Grief (Deathcore-Spain)
- Mankind Is Obsolete (Industrial Metal-USA)
- Mankindend (Dark Metal-Brazil)
- Manlord (Stoner-Canada)
- Manmade God (Hard Rock-USA) - Other name : MMG
- Mannaz (FRA) (Pagan Black-France)
- Mannaz (RUS) (Dark Ambient-Russia)
- Mannepenis (Black Metal-Norway)
- Plasmoptysis (Brutal Death-Indonesia) - Other name : ex-Mannequin
- Mannequin (JAP) (Visual Kei-Japan)
- Mannequin Goretuary (Brutal Death-Indonesia)
- Mannequin Love Affair (Deathcore-USA)
- Manners (Metalcore-USA)
- Mannfall (Black Metal-Australia)
- Manngard (Brutal Death-Norway)
- Mannhai (Stoner-Finland)
- Manntis (Metalcore-USA)
- Manntra (Industrial Metal-Croatia)
- Mannveira (Black Metal-Iceland)
- Manny Charlton (Hard Rock-United-Kingdom)
- Mano De Gloria (Stoner Doom-Paraguay)
- Mano De Obra (Crossover-Chile)
- Mano De Piedra (Stoner-Spain)
- Manodura (Heavy Metal-Venezuela)
- Manoluc (Death Thrash-Italy)
- Manon (Black Metal-Italy)
- Manora (Symphonic Metal-Netherlands)
- Manos (Death Grind-Germany)
- Manoue (Progressive Metal-South-Africa)
- Manowar (Heavy Metal-USA)
- Manrobbuka (Death Metal-Indonesia)
- Mansaro (Stoner Doom-Germany)
- Mansfield Park (Heavy Metal-USA) - Other name : MP
- Manshuria (Metalcore-Brazil)
- Mansion (Doom Metal-Finland)
- Manslaughter (PL) (Death Black-Poland)
- Manslaughter (FRA) (Death Metal-France)
- Manslaughter (CHL) (Thrash Metal-Chile)
- Manslaughter (USA) (Melodic Death-USA)
- Manslaughter Project (Melodic Death-Canada) - Other name : MSP
- Marilyn Manson (Indus Gothic-USA) - Other name : MM, Manson, ex-Marilyn Manson & The Spooky Kids
- Manson's Girls (Stoner Doom-USA)
- Mansoul (Thrash Death-USA) - Other name : Ninthour
- Manstopper (Thrash Metal-Germany)
- Mantah (BEL) (Nu Metal-Belgium)
- Mantah (FRA) (Melodic Black-France)
- Mantahungal (Black Metal-Indonesia)
- Mantak (Thrash Black-Malaysia)
- Mantar (Sludge Doom-Germany)
- Mantarok (Black Metal-United-Kingdom)
- Mantas (UK) (Industrial Death-United-Kingdom)
- Mantas (PER) (Thrash Death-Peru)
- Mantas (USA-1) (Death Metal-USA)
- Mantas (USA-2) (Thrash Metal-USA)
- Mantash (Black Death-Indonesia)
- Mantaur (Sludge Metal-USA)
- Manth (Black Metal-Italy)
- Manthas (Death Metal-Czechia)
- Manthica (Melodic Power-Ecuador)
- Manthor (Melodic Black-Poland)
- Manthra (Death Thrash-Chile)
- Manthraah (Heavy Metal-Sweden)
- Mantic Ritual (Thrash Metal-USA) - Other name : Meltdown
- Mantick (Thrash Metal-Italy)
- Manticora (Progressive Power-Denmark)
- Manticore (NL) (Death Metal-Netherlands)
- Manticore (GER) (Heavy Metal-Germany)
- Manticore (AUS) (Brutal Death-Australia)
- Manticore (GEO) (Heavy Death-Georgia)
- Manticore (USA-1) (Black Death-USA)
- Manticore (USA-2) (Doom Metal-USA)
- Manticorum (Black Death-Australia)
- Mantide (Hardcore-Italy)
- Mantiel (Black Metal-Other)
- Mantiis (Thrash Heavy-Belgium)
- Artery Eruption (Brutal Death-USA) - Other name : ex-Mantis, ex-Argot
- Mantis (Stoner-USA) - Other name : Red Horse
- Mantium Perpetua (Atmospheric Black-Italy)
- Mantle (Avantgardiste Black-Canada)
- Mantlet (Hardcore-United-Kingdom)
- Undertaker (ARG) (Death Metal-Argentina) - Other name : ex-Mantonegro
- Mantra (FRA) (Progressive Metal-France)
- Mantra (URU) (Thrash Heavy-Uruguay)
- Mantra (ARG) (Heavy Metal-Argentina)
- Mantra (CR) (Death Metal-Costa-Rica)
- Mantra (VEN) (Melodic Death-Venezuela)
- Mantra (UK) (Thrash Metal-United-Kingdom)
- Mantra (POR) (Stoner-Portugal)
- Mantras (FRA-1) (Thrash Metal-France) - Other name : MantraS
- Mantras (FRA-2) (Stoner Doom-France)
- Mantric (Progressive Metal-Norway)
- Mantric Momentum (Melodic Heavy-Norway)
- Mantris (Progressive Heavy-Brazil)
- Mantrum (Metalcore-Germany)
- Mantus (GER) (Gothic Metal-Germany)
- Mantus (COL) (Black Metal-Colombia)
- Mantus (CHL) (Black Metal-Chile)
- Mantys (Metalcore-France)
- Manu Armata (Hardcore-Netherlands)
- Manu Livertout Band (Guitar Hero-France)
- Manual Abortion (Death Metal-USA)
- Manufacture (Heavy Rock-France)
- Manufactured God (Death Metal-United-Kingdom)
- Manufacturer's Pride (Melodic Death-Finland) - Other name : MP
- Manus Mortis (USA) (Deathcore-USA)
- Manus Mortis (GER) (Death Metal-Germany)
- Manuscripts Don't Burn (Metal-Italy)
- Manuscriptum (Death Grind-Russia)
- DT Seizure (Heavy Metal-USA) - Other name : Manx
- Many Men Have Tried (Post Hardcore-Austria)
- Many Moons Ago (Pagan Black-France)
- Many Suffer (Doom Black-United-Kingdom)
- Many Things Untold (Metalcore-United-Kingdom)
- Manzana (Melodic Metal-Finland)
- Manzano (Heavy Metal-Spain)
- Manzer (Thrash Black-France)
- Maot (Thrash Metal-Germany)
- Maou Mindu (Death Grind-Canada)
- Maozim IV (Black Metal-Colombia)
- Map The Mind (Metalcore-USA)
- Maphorion (Black Metal-Greece)
- Maple Cross (Thrash Metal-Finland)
- Maplerun (Alternative Metal-Greece)
- Maps Of War (Metalcore-USA)
- Maquahuitl (Black Metal-USA)
- Maquerelle (Electro Black-France)
- Maquina Suicida (Thrash Metal-Argentina)
- Maquinária (Heavy Metal-Brazil)
- Mar (Sludge Doom-USA)
- Mind At Risk (Hard Rock-Ireland) - Other name : MAR
- Mar De Dolor (Melodic Death-Mexico)
- Mar De Grises (Atmospheric Doom-Chile)
- Agavè Maize (Black Metal-Australia) - Other name : Mar Mortuum
- Mar Mortuum (Black Metal-Australia)
- Mar Muerto (Heavy Metal-Chile)
- Mara (LVA) (Death Thrash-Latvia) - Other name : MĀRA
- Mara (SWE) (Black Metal-Sweden)
- Mara (USA-1) (Ambiant Black-USA)
- Mara (USA-2) (Hardcore-USA)
- Mara (USA-3) (Deathcore-USA)
- Marabbecca (Black Metal-United-Kingdom)
- Maradandó Károsodás (Thrash Metal-Hungary)
- Marafo De Exú (Hardcore-Brazil)
- Marahkain (Black Metal-Other)
- Maramon (Melodic Black Death-Sweden)
- Marana (Death Metal-Czechia)
- Maranatha (Sludge Metal-USA)
- Maras (Pagan Black-North Macedonia)
- Marasme (Sludge Metal-Spain)
- Marasmus (Death Metal-USA)
- Marathon (Hardcore-Australia)
- Marathonmann (Post Hardcore-Germany)
- Maratonga (Melodic Death-Germany)
- Maraud (Thrash Heavy-USA)
- Maraude (Black Metal-Canada)
- Marauder (CAN) (Thrash Heavy-Canada)
- Marauder (UKR) (Thrash Speed-Ukraine)
- Marauder (GRC) (Power Metal-Greece)
- Marauder (USA-1) (Thrash Metal-USA)
- Marauder (USA-2) (Heavy Metal-USA)
- Marawa (Thrash Metal-Bosnia and Herzegovina)
- Marax (Symphonic Black-Slovenia)
- Maraya (Progressive Power-USA) - Other name : Wicked Maraya
- Marazene (Industrial Metal-USA)
- Marbas Kult (Black Metal-Italy)
- Marbas Valfoerd (Black Metal-Argentina)
- Marbath (Death Metal-Austria)
- Marbh (Black Metal-Portugal)
- Marble (Progressive Heavy-Italy)
- Marble Angel (Thrash Heavy-Ukraine)
- Marble Arch (FRA) (Hard Rock-France)
- Marble Arch (SWE) (Atmospheric Gothic-Sweden)
- Marble Carrion (Death Metal-Russia)
- Marble Chariot (Doom Metal-France)
- Marble Sheep (Heavy Rock-Japan)
- Marblebog (Ambiant Black-Hungary)
- Marbles (Stoner-Portugal)
- Marburg (Death Grind-USA)
- Marburg Marburg Virus (Grindcore-France)
- Marc Bonilla (Guitar Hero-USA)
- Marc Broude (Industrial Metal-USA)
- Marc Ferrari (Hard FM-USA)
- Marc Ferrari And Friends (Hard Rock-USA)
- Marc Hudson (Power Metal-United-Kingdom)
- Marc Rizzo (Progressive Metal-USA)
- Atrozer (Death Thrash-Uruguay) - Other name : Marca Acme
- Marcel Coenen (Progressive Metal-Netherlands)
- Marcel Duchamp (Crust-Chile)
- Marcello-Vestry (Hard Rock-USA)
- Marcelo Carvalho (Alternative Metal-Brazil)
- March In Arms (Power Metal-USA)
- March Into The Sea (Drone-USA) - Other name : MITS
- March Of Heroes (Dark Ambient-France) - Other name : MOH
- March To Die (Heavy Metal-Cyprus)
- March To Victory (Black Death-USA)
- Marchafunebre (Doom Metal-Chile)
- Marche Funèbre (Death Doom-Belgium)
- Marchello (Melodic Metal-USA)
- Marchen Station (Melodic Power-Japan)
- Märchenbilder (Symphonic Metal-Canada)
- Marchentroll (Atmospheric Black-Canada)
- Marching Mind (Progressive Metal-Canada) - Other name : MM
- Marching Runes (Dark Ambient-Finland)
- Apostasy (SWE) (Melodic Black-Sweden) - Other name : Marchosias
- Marcia Funebre (Black Metal-Greece)
- Marcio Dentro (Brutal Death-Italy)
- Marco Campanella (Guitar Hero-Italy)
- Marco Ferrigno (Neo Classical-Mexico)
- Savior From Anger (Power Metal-Italy) - Other name : Marco Ruggiero's Savior From Anger
- Marco Sfogli (Guitar Hero-Italy)
- Marcos De Ros (Neo Classical-Brazil)
- Marcos Rodríguez (Guitar Hero-Spain)
- Marcus (Hard Rock-USA)
- Marcus Aurelius (Deathcore-USA)
- Marcus Brutus Band (Heavy Metal-Sweden) - Other name : MBB
- Marcus Jidell (Metal-Sweden)
- Mardelas (Power Metal-Japan)
- Mardom (Black Metal-Poland)
- Mardraum (Black Metal-Australia)
- Mardrøm (GER-1) (Black Death-Germany)
- Mardröm (GER-2) (Ambiant Black-Germany)
- Votan (MEX) (Speed Heavy-Mexico) - Other name : ex-Marduk
- Marduk (Brutal Black-Sweden)
- Mare (CAN) (Post Hardcore-Canada)
- Mare (NOR) (Black Metal-Norway)
- Mare Cognitum (Atmospheric Black-USA)
- Mare Crisium (Black Metal-Slovakia)
- Mare Frigoris (Viking Black-USA)
- Mare Infinitum (Death Doom-Russia)
- Mare Tenebrarum (Deathcore-El Salvador)
- Marécage (Hard Rock-France)
- Marécages (Stoner-Canada)
- Marely (Visual Kei-Japan) - Other name : ????
- Marenne (Melodic Metal-Finland)
- Mareridt (Black Metal-Denmark)
- Mareritt (NOR) (Black Metal-Norway)
- Mareritt (FRA) (Doom Black-France)
- Mares Of Thrace (Sludge Doom-Canada) - Other name : Tosca
- Märesvin (Thrash Speed-Denmark)
- Marg (Grunge-Pakistan)
- Margaret Read (Black Metal-United-Kingdom)
- Margast (Death Black-Russia)
- Margenta (Heavy Metal-Russia)
- Margento (Heavy Metal-Argentina)
- Margg (Black Metal-Iran)
- Margin Of Existence (Melodic Death-Greece)
- Marginal (FRA) (Thrash Metal-France)
- Marginal (BEL) (Crust-Belgium)
- Marginal (ARG) (Thrash Metal-Argentina)
- Margo (Death Metal-USA)
- Margorium (Unblack-Brazil)
- Margraven (Experimental Metal-Finland)
- Margyyah (Death Metal-Singapore)
- Marhold (Progressive Metal-Switzerland)
- Marhoth (Black Metal-Poland)
- Mari Hamada (Hard Rock-Japan)
- Maria Chuana (Thrash Metal-Slovakia)
- María Escarlata (Melodic Heavy-Mexico)
- Mariachi Terror (Death Metal-Mexico)
- Mariah (USA-1) (Hard Rock-USA)
- Mariah (USA-2) (Hard FM-USA)
- Marialena (Symphonic Metal-Greece)
- Marianas (Metalcore-USA)
- Marianas Rest (Death Doom-Finland)
- Mariani (Hard Rock-USA) - Other name : ex-Vince Mariani
- Marianne (Heavy Metal-Slovakia)
- Marica (Death Thrash-Serbia)
- Maridona (Post Hardcore-USA)
- Marienbad (Atmospheric Doom-Germany)
- Marienthal (Hard Rock-France)
- Marijannah (Stoner Doom-Singapore)
- Marilia Adamaki (Gothic Metal-Greece)
- MaRiLL (Visual Kei-Japan)
- Marilyn Is Dead (Electro Metal-USA)
- Marina (Post Hardcore-Czechia)
- Mariner (JAP) (Thrash Death-Japan)
- Mariner (Hard Rock-USA) - Other name : George Murasaki & Mariner
- Marino (Heavy Metal-Japan)
- Mario GM (Guitar Hero-Spain)
- Mario Killed Pikachu (Grind Electro-USA) - Other name : MKP
- Mario Turis (Progressive Metal-Slovakia)
- Marionet X (Thrash Neo-Canada)
- Marionette (Melodic Death-Sweden)
- Marishi Ten (Hard Rock-USA)
- Zigzo (Fusion-Japan) - Other name : ex-Marisu An Sekkusu
- Marius Danielsen's Legend Of Valley Doom (Symphonic power-Norway)
- Mark I (Heavy Metal-Argentina) - Other name : Mark 1
- Mark And Clyde (Hard Rock-France)
- Mark B Schuster (Heavy Rock-USA)
- Mark Boals (Symphonic Heavy-USA)
- Mark Free (Hard Rock-USA)
- Mark Hafer (Hard Rock-USA)
- Mark Lowrey (Heavy Metal-USA)
- Mark Morton (Crossover-USA)
- Mark My Way (Hardcore-Belgium)
- Mark Of Cain (Thrash Death-Canada)
- Mark Of The Creator (Symphonic Death Black-Switzerland)
- Mark Protze (Guitar Hero-Germany)
- Riddlemaster (Heavy Rock-USA) - Other name : Mark Shelton & Rick Fisher's Riddlemaster
- Mark Sida (Experimental Metal-France)
- Mark Slaughter (Hard Rock-USA)
- Mark Spiro (Hard FM-USA)
- Mark St-John Project (Hard Rock-USA)
- Mark Wood (Hard Rock-USA)
- Still I Wither (Melodic Death-Sweden) - Other name : ex-Stainless Steel, ex-Elohim, ex-Mark:Black
- Markab Project (Industrial Electro-France)
- Markarian (Doom Metal-France)
- Markarth (FRA) (Black Death-France)
- Markarth (Black Metal-Ukraine)
- Marked For Pain (Death Metal-USA)
- Marker Beacon (Heavy Metal-France)
- Markgraf (Black Heavy-Germany)
- Markhor (Thrash Black-USA)
- Markiz De Sade (Thrash Heavy-Poland)
- Markize (Gothic Metal-France)
- Markland Folks (Pagan Folk-Canada)
- Marko Hietala (Metal-Finland)
- Markonee (Hard Rock-Italy)
- Markradonn (Experimental Metal-USA)
- Marks Of Sin (Sludge Metal-USA)
- Marks Of The Masochist (Black Metal-USA)
- Bassinvaders (Heavy Rock-Germany) - Other name : Markus Grosskopf's Bassinaders
- Markus Neuwirth (Folk Metal-Germany)
- Marky Mark Fights A Sharky Shark (Technical Death-USA)
- Marlugubre (Progressive Death-Italy)
- Marmalade Knives (Heavy Rock-USA)
- Marmozets (Metalcore-United-Kingdom)
- Marna (Black Metal-Belarus)
- Marnamai (Atmospheric Black-Netherlands)
- Marnost (Black Metal-Czechia)
- Maroon (Metalcore-Germany)
- Marooned (Thrash Death-Switzerland)
- Maroth (Black Metal-Serbia)
- Marplots (Alternative Metal-Italy)
- Marquesse (Black Metal-Australia)
- Marquis (GER) (Melodic Heavy-Germany)
- Marquis (NL) (Black Metal-Netherlands) - Other name : Marquis Of Vermin
- Savage Grace (USA-2) (Speed Metal-USA) - Other name : ex-Marquis De Sade
- Marquis De Sade (NWOBHM-United-Kingdom)
- Mårran (Hard Rock-Sweden)
- Marras (Black Metal-Finland)
- Marraskuulta (Black Metal-Germany)
- Marraskuun Lapset (Gothic Death-Finland)
- Marrasmieli (Pagan Black-Finland)
- Marrok (Alternative Metal-Austria)
- Marrow (Death Metal-USA)
- Marrow Of Kaladrius (Symphonic Metal-Belgium)
- Marrowfields (Doom Metal-USA)
- Marrowlands (Melodic Doom-Belgium)
- Marry Me In Vegas (Metalcore-Italy) - Other name : MMIV
- Marry Me, Joseph (Alternative Metal-Estonia) - Other name : MMJ
- To Die For (Gothic Metal-Finland) - Other name : TDF, ex-Marry-Ann
- Sunn O))) (Drone-USA) - Other name : Sunn, ex-Mars
- Mars Creation (Black Metal-Canada)
- Mars Era (Alternative Metal-Italy)
- Mars Mantra (Black Dark-Ukraine) - Other name : Life's Illusion
- Mars Needs Cheerleaders (Deathcore-USA) - Other name : MNC
- Mars Red Sky (Stoner-France)
- MARS (USA-1) (Heavy Metal-USA) - Other name : McAlpine - Aldridge - Rock - Sarzo
- Mars (USA-2) (Hard Rock-USA)
- Mars (USA-3) (Stoner Doom-USA)
- Marseille (NWOBHM-United-Kingdom) - Other name : ex-AC-DC
- Marsh (Black Metal-USA)
- Marsh Dweller (Melodic Black-USA)
- Marsh Goblins (Grindcore-Russia) - Other name : Болотные Гоблины
- Marsh Of Swans (Atmospheric Black-USA)
- Marshall (Hard Rock-Italy)
- Marshall Law (UK) (Power Metal-United-Kingdom)
- Marshall Law (AUS) (Heavy Metal-Austria)
- Marshall Monroe (Hard Rock-Spain)
- Marsyas (Gothic Metal-Romania)
- Marta Gabriel (Heavy Metal-Poland)
- Marte (Progressive Metal-Brazil)
- Martelgang (Black Metal-Netherlands)
- Martelo Negro (Black Death-Portugal)
- Martensmith (Thrash Metal-Turkey)
- Marter (Black Metal-Germany)
- Marthe (Heavy Rock-Italy)
- Marthiria (Thrash Metal-Brazil)
- Marthirio (Thrash Metal-Argentina)
- Marthyr (Black Metal-France)
- Marthyrium (Black Metal-Spain)
- Martial (Thrash Metal-Germany)
- Martial Barrage (Death Metal-Canada)
- Martial Death (Black Metal-Germany)
- Martial Law (CAN) (Thrash Metal-Canada)
- Martial Law (USA) (Hardcore-USA)
- Martian Swamp (Porno Gore Grind-Colombia)
- MPG (Hard Rock-Denmark) - Other name : Martie Peters Group
- Martiis Nocturnem (Melodic Black-USA)
- Martillo Austral (Black Metal-Chile)
- Induction (Symphonic power-Germany) - Other name : Martin Beck's Induction
- Martin Knye-Magiar (Power Metal-Argentina)
- Martin Templum Domini (Guitar Hero-Spain) - Other name : MTD
- Martina Edoff (Hard FM-Sweden)
- Martini (Melodic Metal-USA)
- Martir (Hardcore-Chile) - Other name : Mártir
- Martire (Thrash Black-Australia)
- Martiria (Symphonic Heavy-Italy)
- Martirio (CHL) (Hardcore-Chile)
- Martirio (Thrash Metal-Argentina)
- Martolea (Pagan Black-Romania) - Other name : Marţolea
- Martorn (Melodic Death Black-Other)
- Martriden (Black Death-USA)
- Martröð (Black Metal-Other)
- Marttyrium (Progressive Death-Brazil)
- Marttyyrioperaatio (Porno Gore Grind-Finland)
- Marturos (Heavy Metal-Slovakia)
- Martus (Black Death-USA)
- Martwa Aura (Black Metal-Poland)
- Saving Grace (Hardcore-New-Zealand) - Other name : SG, ex-Marty And The Boys
- Marty Eason (Experimental Metal-USA)
- Marty Friedman (Guitar Hero-USA)
- Martyr (CAN) (Technical Death-Canada)
- Martyr (ARG) (Death Thrash-Argentina)
- Martyr (USA) (Thrash Metal-USA)
- Martyr (CZ) (Death Metal-Czechia)
- Martyr (CHN) (Black Metal-China)
- Martyr Ad (Metalcore-USA)
- Martyr Defiled (Deathcore-United-Kingdom) - Other name : MD
- Martyr Lucifer (Gothic Dark-Italy)
- Martyr (NL-1) (Black Metal-Netherlands)
- Martyr (NL-2) (Heavy Metal-Netherlands)
- Throne Of Eden (Metalcore-USA) - Other name : ex-Martyr's Minefield
- Martyrd (Progressive Metal-USA)
- Martyrdöd (Crust-Sweden)
- Martyrdom (CHN) (Black Metal-China)
- Martyrdom (BRA) (Death Doom-Brazil)
- Martyrdom (USA-1) (Black Metal-USA)
- Martyrdom (USA-2) (Deathcore-USA)
- Martyrdoom (PL) (Death Metal-Poland)
- Martyrdxm (Atmospheric Black-Russia)
- Martyre (Melodic Doom-Mexico)
- Martyred (Black Death-USA)
- Märtyrer (Black Metal-Germany)
- Martyrium (Black Metal-Netherlands)
- Martyrium (CHL) (Thrash Metal-Chile)
- Martyrium (MLT) (Melodic Black Death-Malta)
- Martyrium (NL) (Black Metal-Netherlands)
- Martyrium Christi (Brutal Death-Czechia)
- Martyrium (GER-1) (Black Metal-Germany)
- Martyrium (GER-2) (Atmospheric Black-Germany)
- Martyrium Hospic (Symphonic Black-Slovakia)
- Martyrs (Hardcore-France)
- Martyrs Melancholy (Death Doom-USA)
- Martyrs Of Darkness (Thrash Black-Netherlands)
- Martyrs Shrine (Thrash Death-Australia)
- Martyrs Tongue (Hardcore-Puerto-Rico)
- Martyrum (Black Metal-Sweden) - Other name : ex-Disembody
- Martyrum Omnium (Black Metal-Spain)
- Martyrvore (Death Black-USA)
- Marulk (Heavy Rock-Sweden)
- Marunata (Atmospheric Black-France)
- Maruru (Visual Kei-Japan)
- Maruta (Grind Death-USA)
- Marvargr (Industrial Black-Sweden)
- Myst (TUR) (Heavy Metal-Turkey) - Other name : ex-Antidote, ex-Marvel
- Marvel (UKR) (Alternative Metal-Ukraine)
- Marvel (POR) (Hard Rock-Portugal)
- Marvelous Green (Deathcore-Venezuela) - Other name : MG
- Marvelous Maiden (Visual Kei-Japan)
- Marw (Black Metal-United-Kingdom)
- Mary And The Highwalkers (Stoner Doom-Poland) - Other name : Mary & The Highwalkers
- Mary Beats Jane (Nu Metal-Sweden)
- Mary Bell (Sludge Doom-Netherlands)
- Mary Cries Red (Thrash Death-USA)
- Mary Fields (Noise Hardcore-Netherlands) - Other name : MF
- Mary Jane Hits (Stoner-Turkey)
- Mary Jane Kelly (Post Hardcore-Australia) - Other name : MJK
- Mary Magdalan (Metal-USA)
- Mary Rose (Hard Rock-Slovenia)
- Mary Shaw (Melodic Death-USA) - Other name : MS
- Mary Shelley (Black Metal-USA)
- Mary Slut (Fusion-France)
- Mary's Blood (Power Metal-Japan)
- Marya Roxx (Heavy Metal-USA)
- Maryonmeth (Black Metal-France)
- MarysCreek (Metal-Sweden)
- Marywine (Symphonic power-Netherlands)
- Marzuraan (Drone-United-Kingdom)
- Masachist (Brutal Death-Poland)
- MASACRE (PER) (Thrash Metal-Peru) - Other name : Metal Avanzando Siempre Ante Cualquier Rechazo Existente
- Masacre (COL) (Death Metal-Colombia)
- Masacritika (Heavy Rock-Chile) - Other name : MasaCritika
- Masada (UK) (Groove Metal-United-Kingdom)
- Masada (USA-1) (Technical Death-USA)
- Masada (USA-2) (Bay Area Thrash-USA)
- Masai (NWOBHM-United-Kingdom)
- Masakabra (Symphonic Metal-Poland)
- Masakari (Crust-USA)
- Masakatsu (Deathcore-Germany)
- Masaki Project (Progressive Metal-Japan)
- Masakre (Thrash Metal-Nicaragua)
- Masala (Fusion-France)
- Masamsed (Sludge Metal-France)
- Masaya (AUT) (Black Metal-Austria)
- Masaya (Thrash Death-Chile)
- Masayuki Sugahara (Progressive Metal-Japan)
- Massive Scar Era (Post Hardcore-Egypt) - Other name : Mascara, MSE
- Mascara (Death Thrash-Thailand)
- Máscara De Ferro (Heavy Metal-Brazil)
- Mascharat (Black Metal-Italy)
- Maschera (Visual Kei-Japan)
- Maschine (Progressive Metal-United-Kingdom)
- MZ.412 (Dark Ambient-Sweden) - Other name : Maschinenzimmer 412
- Mascot Parade (Sludge Metal-Sweden) - Other name : ex-The Buck
- Masectomy (Death Grind-Ecuador)
- Masennus (Death Metal-Brazil)
- Maserati (Heavy Rock-USA)
- MASH (SVN) (Heavy Metal-Slovenia)
- MASH (PL) (Thrash Metal-Poland)
- Masher (Grindcore-Brazil)
- Mashet (Thrash Death-Chile)
- Mashiaj (Thrash Metal-Venezuela)
- Mashiba (Thrash Metal-USA)
- Mashu (Drone-Spain)
- Masi (Heavy Metal-Italy) - Other name : Alex Masi
- Pugsley Munion (Hard Rock-USA) - Other name : ex-Mask
- Mask (Visual Kei-Japan)
- Mask of Bees (Fusion-United-Kingdom)
- Mask Of Judas (Experimental Metal-United-Kingdom)
- Mask Of Prospero (Progressive Metal-Greece)
- Mask Of Semblant (Melodic Death-Brazil)
- Mask Of Virtue (Experimental Metal-United-Kingdom)
- Maskbreaker (Death Metal-Austria)
- Masked Jackal (Thrash Metal-USA)
- Masked Raiders (Heavy Metal-France)
- Masker (Heavy Metal-Brazil)
- Maskhera (Death Thrash-Venezuela)
- Maskim (ITA) (Speed Metal-Italy)
- Maskim (USA) (Black Metal-USA)
- Masking The Hate (Gothic Black-Italy)
- Masnada (Nu Metal-France)
- Masnema (Deathcore Thrash-USA)
- Mäso (Crossover-Slovakia)
- Masochism (Technical Death-USA)
- Masochist (THA) (Death Grind-Thailand)
- Masochist (USA-1) (Black Death-USA)
- Masochist (USA-2) (Thrash Metal-USA)
- Masochist (USA-3) (Death Metal-USA)
- Masochrist (Black Metal-Brazil)
- Ruin (NZ) (Doom Metal-New-Zealand) - Other name : ex-Masochrist
- Masokismi (Brutal Black-Finland)
- Mason (Thrash Metal-Australia)
- Masqim Xul (Death Metal-Hungary)
- Masque (USA) (Hard Rock-USA)
- Masque (UK) (Heavy Metal-United-Kingdom)
- Masque Of Betrayal (Melodic Death-Serbia)
- Masque Of Death (Metal-Spain)
- Masque Of Innocence (Death Metal-Portugal)
- Masqued (Symphonic Metal-USA)
- Masquera Di Ferro (Melodic Heavy-Greece)
- Masquerade (USA) (Hard Rock-USA)
- Masquerade (NL) (Heavy Metal-Netherlands)
- Masquerade (ESP) (Progressive Power-Spain)
- Masquerade (SWE) (Hard Rock-Sweden)
- Masquerade Of Shadows (Symphonic Metal-USA)
- Masquerade Of Silence (Death Metal-Canada)
- Under Sanity's Bane (Symphonic power-Germany) - Other name : ex-Masquerader
- Masquerader (GER) (Melodic Power-Germany)
- Masquerader (TWN) (Thrash Metal-Taiwan)
- Masquerage (RUS) (Symphonic Metal-Russia)
- Masquerage (FIN) (Power Metal-Finland)
- Mass (USA) (Heavy Metal-USA)
- Mass Brutality (Death Grind-Portugal)
- Mass Burial (ESP) (Death Metal-Spain)
- Mass Burial (AUS) (Brutal Death Black-Australia)
- Mass Casualty (Death Metal-USA)
- Mass Casualty Incident (Death Metal-Germany) - Other name : MCI
- Mass Coma (Grindcore-United-Kingdom) - Other name : Masscoma
- Mass Confusion (Thrash Metal-Bulgaria)
- Mass Cremation (Thrash Metal-Bulgaria)
- Mass Culture (Experimental Metal-Greece)
- Mass Damnation (Death Thrash-Sri-Lanka)
- MDD (Crust-Mexico) - Other name : Mass Death And Destruction
- Mass Deception (Thrash Metal-Netherlands) - Other name : MD
- Mass Defect (Thrash Death-Philippines)
- Mass Destruction (Thrash Metal-Colombia)
- Mass Disorder (Thrash Metal-Portugal)
- Mass Execution (ITA) (Thrash Metal-Italy)
- Mass Execution (BRA) (Death Metal-Brazil)
- Mass Extinction (Thrash Speed-Ireland)
- Mass For Chatter (Deathcore-Bosnia and Herzegovina) - Other name : MFC
- Genocide (USA-2) (Heavy Metal-USA) - Other name : Mass Genocide
- Mass Genocide Process (Crust-Czechia) - Other name : MGP
- Mass (GER-1) (Stoner-Germany)
- Mass (GER-2) (Heavy Metal-Germany)
- Mass Grave (FRA) (Death Metal-France)
- Mass Grave (BGR) (Death Grind-Bulgaria)
- Grave Syndrome (Brutal Death-USA) - Other name : ex-Ominous Reminiscence, ex-Mass Grave Syndrome
- Mass Hypnosia (Thrash Death-Philippines)
- Mass Hypnosis (Death Metal-Croatia)
- Mass Hysteria (Fusion-France) - Other name : MH
- Mass In Comatose (Death Metal-Estonia)
- Mass Infection (Technical Death-Greece)
- Mass Insanity (Death Metal-Poland)
- Mass Kontrol Genocide (Black Metal-Japan)
- Mass Madness (Death Thrash-Russia)
- Mass Massacre (Brutal Death-Ukraine)
- Mass Mental (Fusion-USA)
- Mass Mortality (Melodic Death-Russia)
- Mass Murder (Brutal Death-Italy)
- Mass Murder Agenda (Industrial Metal-Sweden)
- Mass Murder Frenzy (Death Metal-USA)
- Mass Murder Machine (Death Thrash-Germany)
- Mass Murder Messiah (CAN) (Death'n'Roll-Canada) - Other name : MMM
- Mass Murder Messiah (USA) (Brutal Death-USA)
- Mass Murder Phenomena (Death Metal-USA) - Other name : MMP
- Mass Murderers (Hardcore-France)
- Mass Obliteration (Death Metal-Italy)
- Mass Of Shit (Grindcore-Brazil)
- Mass Of Virtue (Progressive Metal-USA) - Other name : MOV
- Mass Produced Human (Grindcore-USA) - Other name : MxPxHx
- Mass Psychosis (Death Metal-USA)
- Mass Separation (Grindcore-Malaysia)
- Mass Slaughter (Death Metal-Italy)
- Mass Worship (Death Dark-Sweden)
- Massacaust (Thrash Metal-USA)
- Massacra (Death Metal-France)
- Massacra Noise (Death Grind-Belgium)
- Massacration (Heavy Metal-Brazil)
- Massacrator (MEX) (Thrash Metal-Mexico)
- Massacrator (ITA) (Black Metal-Italy)
- Massakre (Thrash Metal-Chile) - Other name : Massacre
- Massacre (USA) (Death Metal-USA)
- Massacre (CAN) (Thrash Metal-Canada)
- Massacre (CR) (Death Metal-Costa-Rica)
- Enforce (POR) (Thrash Speed-Portugal) - Other name : ex-Massacre
- Massacre At The Bikini Bottom (Porno Gore Grind-Guatemala) - Other name : MATBB
- Massacre Bestial (Thrash Metal-Brazil)
- Massacre By Fall (Screamo-Malaysia)
- Massacre Conspiracy (Metalcore-Malaysia) - Other name : MC16
- Massacre Divino (Dark Ambient-Portugal)
- Massacre DLL32 (Brutal Death-Brazil)
- Massacre Em Alphaville (Crust-Brazil) - Other name : MEA
- Massacre Of Innocence (Metalcore-Australia)
- Massacre Of Mothman (Deathcore-China)
- Massacre Of The Umbilical Cord (Deathcore-USA)
- Massacre On Privet Drive (Deathcore-United-Kingdom)
- Massacre On The Fjords (Progressive Death-United-Kingdom)
- Massacred (Death Grind-Argentina)
- Massaker (Thrash Metal-Brazil)
- Massakergore (Grindcore-Italy)
- Starkill (Melodic Death Black-USA) - Other name : ex-Ballistika, ex-Massakren
- Massappeal (Crossover-Australia)
- Massault (Death Thrash-France)
- Massay (Melodic Metal-Brazil)
- Massdistraction (Thrash Metal-Sweden)
- Massemord (NOR) (Black Metal-Norway)
- MasseMord (PL) (Black Metal-Poland)
- Massen (Symphonic Death Black-Belarus)
- Massenhinrichtung (Black Metal-Belarus)
- Massensterben (Black Metal-Germany)
- Masseporz (Black Metal-Italy)
- Massface (Alternative Metal-Russia) - Other name : ex-CodeRed
- Massgrav (Death Metal-Sweden)
- Massgrav (SWE) (Hardcore-Sweden)
- Massgrave (CAN) (Crust-Canada)
- Massgrave (Death Metal-Germany)
- Massground (Brutal Death-Japan)
- Massif (Heavy Metal-Belgium)
- Massive (AUS) (Hard Rock-Australia)
- Massive (SGP) (Black Metal-Singapore)
- Massive Assault (Death Metal-Netherlands)
- Massive Bereavement (Drone-United-Kingdom)
- Massive Blast (Thrash Metal-Italy)
- Massive Bleeding (Brutal Death-Mexico)
- Massive Carnage (Death Metal-Portugal)
- Massive Charge (Grindcore-France)
- Massive Cock (Metalcore-Belgium)
- Massive Demolition (Thrash Metal-Germany)
- Massive Destruction (Industrial Metal-Panamá)
- Massive Destruktion (Thrash Metal-Puerto-Rico)
- Massive Euthanasia (Death Metal-Colombia)
- Massive Execution (Thrash Metal-Paraguay)
- Massive Fire (Heavy Metal-Brazil)
- Massive Obliteration (Death Grind-France)
- Massive Punch (Melodic Heavy-Germany)
- Massive Repulsive (Deathcore-USA)
- Massive Retaliation (Black Death-USA)
- Massive Roar (Thrash Metal-Portugal)
- Massive Self Killing (Death Metal-France)
- Massive Slavery (Death Metal-Canada)
- Massive Sound Of Disorder (Progressive Metal-Portugal) - Other name : MSOD
- Masskill (Thrash Metal-Brazil)
- Massless (Metal-United-Kingdom)
- Future Ruins (Crust-Sweden) - Other name : ex-Massmord
- Massmurder (NL) (Brutal Death-Netherlands)
- Massmurder (SWE) (Black Metal-Sweden)
- Mast (Sludge Metal-USA)
- Mastaba (Death Doom-Brazil)
- Mastabah (Brutal Death-Poland)
- Mastdarm (Black Metal-Germany)
- Mastectomia (Death Grind-Poland)
- Mastedon (Hard FM-USA)
- Mastema (PL) (Death Metal-Poland)
- Mastema (SWE) (Black Metal-Sweden)
- Mastema (FRA) (Black Metal-France)
- Mastemath (Death Metal-Russia)
- Mastemey (Groove Metal-Poland)
- Master (USA) (Death Metal-USA)
- Master (RUS) (Thrash Metal-Russia)
- Master Boot Record (Industrial Electro-Italy) - Other name : MBR
- Master Charger (Stoner Doom-United-Kingdom)
- Master Crow (Symphonic Death-France)
- Master Damned (Death Metal-Italy)
- Master Disaster (Thrash Metal-Italy)
- Master Dy (Melodic Power-Portugal)
- Master Evil (Heavy Metal-Spain)
- Master Fister (Power Metal-USA)
- Master Fury (Thrash Metal-USA)
- Master Of Cruelty (Black Death-Paraguay)
- Master Of Persia (Pagan Folk-Iran) - Other name : MOP
- Master Of Waha (Alternative Metal-Belgium) - Other name : MOW
- Master Sword (Power Metal-USA)
- Master's Call (Black Death-United-Kingdom)
- Master's Death (Death Metal-Czechia)
- Master's Hammer (Experimental Metal-Czechia)
- Master's Memorial (Dark Metal-Ireland)
- Mastercastle (Power Metal-Italy)
- Masterdom (Heavy Metal-Italy)
- Masterforce (Folk Metal-Italy)
- Masterful (Melodic Power-France)
- Masterguru (Death Grind-USA)
- Masterhead (Thrash Metal-Brazil)
- Masteriis (Black Metal-Norway)
- Masterlast (Industrial Metal-USA)
- Masterly (Power Metal-Spain)
- Mastermind (UK) (Hardcore-United-Kingdom)
- Mastermind (PAR) (Thrash Metal-Paraguay)
- Mastermind (MAR) (Death Metal-Morocco)
- Mastermind (FRA) (Heavy Metal-France)
- Mastermind (USA) (Progressive Metal-USA)
- Mastermind (JAP) (Melodic Power-Japan)
- Masteroid (Stoner-Finland)
- Masterpiece (JAP) (Progressive Metal-Japan)
- Masterpiece (BRA) (Heavy Metal-Brazil)
- Masterplan (Melodic Heavy-Germany)
- The Masters Apprentices (Heavy Rock-Australia) - Other name : Masters Apprentices,The Master's Apprentices, ex-The Mustangs
- Masters Of Dark Fire (Gothic Dark-Germany)
- Masters Of Disguise (Melodic Power-Germany)
- Masters Of Luxury (Sludge Metal-USA)
- Masters Of Metal (Thrash Speed-USA)
- Masters Of Reality (Stoner-USA) - Other name : M.O.R
- Masters Of Rebellions (Speed Heavy-Belgium)
- Sirenia (Symphonic Metal-Norway) - Other name : ex-Masters Of Sirenia
- Masterstroke (ITA) (Speed Metal-Italy)
- Masterstroke (CAN) (Hard Rock-Canada)
- Masterstroke (FIN) (Heavy Metal-Finland)
- Mastervoid (Melodic Heavy-Brazil)
- Masterwork (Power Metal-Finland)
- Mastery (CAN) (Thrash Metal-Canada)
- Mastery (USA) (Black Metal-USA)
- Mastery of Blasphemy (Black Metal-Germany)
- Mastic Scum (Death Metal-Austria)
- Masticate (PL) (Thrash Metal-Poland)
- Masticate (MEX) (Brutal Death-Mexico)
- Masticate (SWE) (Death Metal-Sweden)
- Masticated (Technical Death-United-Kingdom)
- Masticated Excretions (Death Metal-USA)
- Mastication (Death Metal-Sweden)
- Mastication Of Brutality Uncontrolled (Brutal Death-Germany) - Other name : MOBU
- Mastifal (Thrash Death-Argentina)
- Mastiff (UK) (Sludge Doom-United-Kingdom)
- Mastiff (USA) (Deathcore-USA)
- Mastiff (AUS) (Thrash Metal-Australia)
- Mastiff (USA-2) (Hardcore-USA)
- Mastikatione Mortuorum (Black Metal-Spain)
- Mastiphal (PL-1) (Black Metal-Poland)
- Mastiphal (PL-2) (Black Metal-Poland)
- Mastodon (Progressive Metal-USA)
- Mastroyany (Death Thrash-Czechia)
- Masturbace (Death Thrash-Czechia)
- Masturbacion Cristiana (Black Metal-Italy)
- Masturbador (Porno Gore Grind-Mexico)
- Masturbathor (Thrash Death-Poland) - Other name : Masturbator
- Masturbation (CHN) (Noise Hardcore-China) - Other name : 恣慰
- Masturbation (COL) (Brutal Death-Colombia)
- Masturbation With The Bible (Brutal Death-Venezuela)
- Masturbator (Death Metal-Brazil)
- Masturbory (Grind Death-Finland)
- Masugn (Death Black-Sweden)
- Masuria (Metalcore-Germany)
- Mat Sinner (Heavy Metal-Germany)
- Mata Borrão (Death Grind-Brazil)
- Mata Hari (Progressive Heavy-USA)
- Mata Leão (Groove Metal-Germany)
- Matacavalo (Crossover-Brazil)
- Matacerdos (Stoner-Argentina)
- Matadero (GTM) (Death Grind-Guatemala)
- Matadero (ESP) (Thrash Death-Spain)
- Matadors (Stoner-Sweden)
- Matadouro (Brutal Death-Brazil)
- Matahero (Crossover-Chile)
- Matakabra (Deathcore-Brazil)
- Matakopas (Heavy Metal-USA)
- Matalobos (Death Doom-Mexico)
- Matan SA (Death Metal-Argentina)
- Matanbuchus (Ambiant Black-USA)
- Matante Mutante (Metal-Canada)
- Matanuska (Hard Rock-United-Kingdom)
- Matanza (ARG) (Heavy Metal-Argentina)
- Matanza (BRA) (Heavy Rock-Brazil)
- Matanza (MEX) (Death Grind-Mexico)
- Matanzick (Heavy Metal-Finland)
- Matar (Black Metal-Finland)
- Matara (Deathcore-Germany)
- Matarife (Sludge Doom-Spain)
- Matatá (Hard Rock-Brazil)
- Me And The Captain (Metalcore-USA) - Other name : MATC
- Matchbox (Alternative Metal-France)
- Matchless Overthrow (Thrash Death-USA)
- Mate Cosido (Metal-Argentina)
- Matenrou Opera (Visual Kei-Japan)
- Mater Hades (Gothic Metal-Romania)
- Mater Machina (Metalcore-Italy)
- Mater Monstifera (Black Metal-Czechia)
- Mater Tenebra (Brutal Black-Italy)
- Materdea (Folk Metal-Italy)
- Materia (PL) (Nu Metal-Poland)
- Materia (RUS) (Technical Thrash-Russia)
- MateriA (PR) (Melodic Black-Puerto-Rico)
- Materia (FRA) (Heavy Metal-France)
- Materia Prima (USA) (Progressive Black-USA)
- Materia Prima (RUS) (Heavy Metal-Russia)
- Matherya (Progressive Metal-Mexico)
- Matheu (Thrash Heavy-Argentina)
- Matheus Manente (Progressive Metal-Brazil) - Other name : Matt Manente
- Mathias (Heavy Metal-United-Kingdom)
- Mathilda (Nu Metal-France)
- Mathilde (Black Death-Switzerland)
- Mathlovsky (Grind Electro-Belgium)
- Mathras (Heavy Metal-Argentina)
- Mathusalem (Stoner Doom-France)
- Mathyr (Black Death-Germany)
- Matianak (Black Metal-USA)
- Maticrust (Crust-Philippines)
- Matière Fécale (Death Metal-Canada)
- Matirasa (Porno Gore Grind-Indonesia)
- Matka Teresa (Grindcore-Netherlands)
- Medusa Above The Ocean (Metalcore-Cyprus) - Other name : MATO
- Matra (Stoner-Italy)
- Matrak Attakk (Crust-Belgium)
- Matraz (Progressive Metal-Chile)
- Matrekis (Heavy Metal-USA)
- Matremath (Experimental Metal-Russia)
- Matrero (Heavy Metal-Argentina)
- Matrex (Hard Rock-Canada)
- Matriarch (Melodic Death Black-Puerto-Rico) - Other name : Black Apples
- Matricide (CAN) (Thrash Metal-Canada)
- Matricide (ISR) (Metalcore-Israel)
- Matricide (SWE) (Black Metal-Sweden)
- Matricide (AUS) (Doom Black-Australia)
- Matricide (USA-1) (Death Metal-USA)
- Matricide (USA-2) (Thrash Metal-USA)
- Matricyde (Thrash Metal-United-Kingdom)
- Matrimonium (Gothic Metal-Poland)
- Matrix (Heavy Metal-USA) - Other name : Bride
- Matron (Death Metal-United-Kingdom)
- Matron (CAN) (Avantgardiste Black-Canada)
- Matrood (Nu Metal-Iran) - Other name : Matrood
- Mats And Morgan (Experimental Metal-Sweden)
- Maylene And The Sons Of Disaster (Stoner-USA) - Other name : MATSOD
- Matsudo (Sludge Doom-Sweden)
- Matt Cafissi (Guitar Hero-Italy)
- Matt Harding's Steel Armada (Power Metal-USA)
- Matt Harnett (Progressive Metal-USA)
- Matt McCourt (Heavy Metal-USA)
- Matt P (Stoner-France)
- Matt Sorum's Fierce Joy (Hard Rock-USA)
- Zuber (Hard Rock-USA) - Other name : Matt Zuber
- Matter Of Habit (Metalcore-Germany)
- Matter of Time (Alternative Metal-Germany)
- Matterhorn (Thrash Death-Switzerland)
- Matthau Mikojan (Symphonic Heavy-Finland)
- Nelson (Hard FM-USA) - Other name : The Nelsons, Matthew & Gunnar Nelson
- Matthew Mills (Neo Classical-USA)
- Eluvium (Dark Ambient-USA) - Other name : Matthew Robert Cooper
- Matthias (Crossover-USA)
- Matthias Steele (Power Metal-USA)
- Mattra (Thrash Speed-Malaysia)
- Mattsson (Progressive Metal-Finland)
- Mattugur (Melodic Black-Poland)
- Matubes (Black Metal-Bulgaria)
- Maturz Fatoft (Black Metal-Russia)
- Matutina (Folk Metal-France)
- Matutina Noctem (FRA) (Folk Metal-France)
- Matutinum Miserabilis (Melodic Death-USA) - Other name : MMTMS
- Matvey (Heavy Metal-Argentina)
- Mau (Stoner-USA) - Other name : Mau.jam
- Mau Sangue (Sludge Metal-Brazil)
- Mau Vraue (Black Metal-Spain)
- Maudiir (Thrash Black-Canada)
- Maudit (Death Black-France)
- Maudite Asmodée (Gothic Metal-France)
- Maudits (FRA-1) (Melodic Doom-France)
- Maudits (FRA-2) (Black Death-France)
- Maudlin Of The Well (Progressive Metal-USA)
- Maugrim (Ambiant Black-USA)
- Maul (Death Metal-USA)
- Maulbury Hill (Deathcore-USA) - Other name : MH
- Maule (Heavy Metal-Canada)
- Mauler (Black Metal-Netherlands)
- Mauling Warmachine (Death Grind-Puerto-Rico)
- Maur (Doom Black-Indonesia)
- Mauser 98 (Doom Metal-Colombia)
- Mausoleia (Brutal Death-Germany)
- Mausoleum (CAN) (Black Metal-Canada)
- Mausoleum (UK) (Thrash Death-United-Kingdom)
- Mausoleum (ITA) (Death Black-Italy)
- Mausoleum (UAE) (Funeral Doom-United-Arab-Emirates)
- Mausoleum (USA) (Death Metal-USA)
- Mausoleum (BRA) (Death Black-Brazil)
- Soulbreach (Melodic Death-Sweden) - Other name : Mausoleum
- Mausoleum Gate (Heavy Metal-Finland)
- Mausoleum Of Death (Death Metal-Norway)
- Mauvais (Ambiant Black-Spain)
- Mauvaise Foi (Sludge Doom-France)
- Mauve Sideshow (Dark Ambient-USA)
- Maven Hill (Stoner-France)
- Maverick (Thrash Metal-Brazil) - Other name : Maverick Inc
- Maverick (UK) (Hard Rock-United-Kingdom)
- Maverick (ESP) (Heavy Rock-Spain)
- Maverick Hunter (Melodic Death-USA)
- MaveRick (JAP-1) (Visual Kei-Japan)
- Maverick (JAP-2) (Heavy Metal-Japan)
- Maverick Spirits (Progressive Metal-Hungary)
- Maverik (Heavy Metal-Italy)
- Maveth (Death Metal-Finland)
- Mavorim (Ambiant Black-Germany)
- Mavradoxa (Atmospheric Black-USA)
- Sergey Mavrin (Melodic Heavy-Russia) - Other name : Mavrick
- Maw (Black Metal-Canada)
- Maw Of Poseidon (Deathcore-USA) - Other name : MOP
- Mawdryn (Funeral Doom-USA)
- Mawkish Ingestion (Death Metal-Spain)
- Mawlten Mas (Deathcore Thrash-Denmark)
- Max Blinder (Heavy Rock-Finland)
- Max Havoc (Heavy Metal-USA)
- Max Lynx (Heavy Metal-USA)
- Max Magagni (Guitar Hero-Italy)
- Max Midsun (Hard Rock-Norway)
- Max Pie (Progressive Power-Belgium)
- Under Siege (GER-2) (Metalcore-Germany) - Other name : ex-Max Rebo Kids
- Max The Axe's Blazing Star (Neo Classical-Italy)
- Max Yme (Progressive Metal-France) - Other name : MY
- Maxdmyz (Industrial Metal-United-Kingdom)
- Maxeen Bliss (Alternative Metal-France)
- Maxich (Progressive Heavy-Viêt-Nam)
- Máxima Furia (Death Thrash-Argentina)
- Maximalism (Deathcore-Philippines)
- Maximize Bestiality (Death Metal-Germany)
- Maximum (Hard Rock-USA)
- Maximum Carnage (Death Grind-Canada)
- Maximum Oversatan (Speed Metal-USA)
- Maximum Pentecost (Death Metal-Brazil)
- Maximum Perversion (Death Grind-Australia)
- Maximum Perversum (Black Metal-Belgium)
- Maximum Sexy Pigeon (Industrial Metal-Australia) - Other name : MSP
- Maximum The Hormone (Thrash Neo-Japan)
- Maximus (USA) (Metal-USA)
- Maximus (PER) (Power Metal-Peru)
- Maxine Petrucci (Hard Rock-USA)
- Maxmillion (Sludge Doom-USA)
- Maxx Explosion (Hard FM-USA)
- Maxx Warrior (Heavy Metal-USA)
- Maxxwell (Hard Rock-Switzerland)
- Maxxx (Heavy Metal-USA)
- Maxxxwell Carlisle (Guitar Hero-USA)
- May Blitz (Hard Rock-United-Kingdom)
- May Of Sorrow (Melodic Heavy-Ukraine) - Other name : MOS
- May Result (Death Black-Serbia) - Other name : May Result In Blood
- May The Force Be With You (Crossover-Germany) - Other name : MTFBWY
- May The Silence Fail (Melodic Death-Germany)
- May The Stars Be Mute (Metalcore-USA)
- May-Linn (Power Metal-Denmark)
- Maya (ITA) (Progressive Metal-Italy)
- Maya (NPL) (Melodic Death-Nepal)
- Maya Mountains (Stoner-Italy)
- Maya Over Eyes (Hardcore-USA)
- Mayadome (Progressive Metal-Sweden)
- Mayak (Thrash Death-Germany)
- Mayan (Symphonic Death-Netherlands)
- Mayat (Brutal Death-Indonesia)
- Maybrick (Alternative Metal-USA) - Other name : ex-The Maybrick Murder
- Mayday (Hard FM-USA) - Other name : Sun
- Mayfair (USA) (Metalcore-USA)
- Mayfair (AUT) (Progressive Metal-Austria)
- Mayfield (Post Hardcore-Canada)
- Mayhayron (Heavy Metal-Poland)
- Enslaved (ITA) (Thrash Speed-Italy) - Other name : ex-Mayhem
- Antheus (Heavy Metal-France) - Other name : ex-Mayhem
- Mayhem (USA) (Thrash Heavy-USA)
- Mayhem (GER) (Thrash Metal-Germany)
- Mayhem (NOR) (Black Metal-Norway) - Other name : The True Mayhem
- Mayhem (BRA) (Thrash Death-Brazil)
- The Mist (Thrash Metal-Brazil) - Other name : ex-Mayhem
- Mayhem Decay Cudgel (Death Grind-Brazil)
- Mayhem In Bedlam (Heavy Metal-Sweden)
- Mayhem Inc. (Black Death-Canada)
- Mayhemesis (Thrash Death-USA)
- Mayhemic (Thrash Metal-Chile)
- Mayhemic Truth (Black Metal-Germany)
- Mayhemic Wrath (Black Metal-Ukraine)
- Maypole (Heavy Rock-USA) - Other name : The Maypole
- Maysaloon (Melodic Death-Syria)
- Maytag (Drone-Norway) - Other name : \\\Maytag
- Mayze (Gothic Metal-Germany)
- Krvava Prace (Black Metal-Czechia) - Other name : Mazarbul
- Maze (AUS) (Metalcore-Australia)
- Maze (PL) (Melodic Black-Poland)
- Maze Of Cako Torments (Industrial Metal-Latvia) - Other name : MOCT
- Maze Of Chaos (Death Metal-Czechia)
- Maze Of Coffin (Black Metal-Poland)
- Maze Of Extermination (Death Metal-Mexico)
- Maze Of Heaven (Power Metal-Italy)
- Maze Of Roots (Doom Metal-Finland)
- Maze of Sothoth (Death Metal-Italy)
- Maze Of Terror (Thrash Metal-Peru)
- Maze Of Torment (Thrash Death-Sweden)
- Mazemath (Thrash Metal-Chile)
- Mazeran (Heavy Metal-Japan) - Other name : Mäzerän, ????
- Mazikeen (Symphonic Death-Australia)
- Mazo (ESP) (Heavy Metal-Spain)
- Ars Nova (Progressive Power-Spain) - Other name : ex-Mazo
- Mazo (PER) (Doom Metal-Peru)
- Mazohysteria (Visual Kei-Japan)
- Mazout (Stoner Doom-France)
- Mazury (Atmospheric Black-Italy)
- Mazy Vision (Death Metal-France)
- Mazz-XT (Hard Rock-Australia)
