- SIN (GER) (Power Metal-Germany) - Other name : Somewhere Into Nowhere
- Sin (PHL) (Death Metal-Philippines)
- Sin (CAN) (Black Metal-Canada)
- Sin 4 Sin (Hard Rock-USA)
- Sin After Sin (Gothic Metal-Mexico)
- Sin And Death (Dark Metal-France) - Other name : SAD
- Sin Cera (Metal-France)
- Sin Cruz (Hard Rock-Sweden)
- Sin Deadly Sin (Indus Gothic-Italy) - Other name : SDS, ex-Evenfall
- Sin Dealer (Stoner-Canada)
- Sin Deliverance (Deathcore-Russia)
- Sin Destino (Heavy Metal-Argentina)
- Sin Dios (Hardcore-Spain)
- Sin Dizzy (Hard Rock-USA)
- Sin Driven Tide (Metalcore-Italy) - Other name : SDT
- Sin Eater (Deathcore-Austria)
- Sin Espuma (Heavy Metal-Argentina)
- Sin (FRA-1) (Industrial Metal-France)
- SIN (FRA-2) (Metal-France) - Other name : Symphony d'Idée Noire, ex-Sorrow Of Love
- Sin Fronteras (Heavy Metal-Argentina)
- Sin Isomer (Heavy Metal-Japan)
- Sin Mente (Speed Heavy-Colombia)
- Sin Nombre (Heavy Metal-Spain)
- Sin Of Angels (Doom Metal-USA)
- Sin Of Dismay (Melodic Death-Sweden)
- Sin Of God (Technical Death-Hungary)
- Sin Of Kain (Death Black-Hungary)
- Sin Of Lot (Deathcore-Italy)
- Sin Of Night (Hard Rock-Italy)
- Sin Of Redemption (Gothic Black-Italy) - Other name : SOR
- Sin Offering (Black Death-Indonesia)
- Sin Origin (Black Metal-USA)
- Sin Piedad (Thrash Heavy-Argentina)
- Sin S Thesia (Alternative Metal-France)
- Sin Starlett (Heavy Metal-Switzerland)
- Sin Theorem (Metalcore-USA)
- Sin Trade (Melodic Death-Finland)
- Sin (USA-1) (Melodic Metal-USA)
- Sin (USA-2) (Melodic Black-USA)
- Sin (USA-3) (Heavy Metal-USA)
- Sin (USA-4) (Hard Rock-USA)
- Sin:Overflow (Gothic Metal-Hungary)
- Sin.teX (Industrial Electro-Czechia)
- SiN69 (Hard Rock-Switzerland)
- Sin7sinS (Indus Gothic-Netherlands)
- Sinah (Black Metal-Ukraine)
- Sinai Beach (Metalcore-USA)
- Sinal De Ataque (Speed Heavy-Brazil)
- Sinamore (Gothic Metal-Finland) - Other name : ex-Halflife
- Sinamort (Gothic Doom-Lithuania)
- SinAriA (Thrash Heavy-USA)
- Sinaro (Thrash Heavy-USA)
- Sinaside (Thrash Metal-Canada)
- Sinate (Thrash Death-New-Zealand)
- Sinatras (Death'n'Roll-Italy)
- Sinawe (Heavy Metal-South-Korea)
- Sinaya (Death Thrash-Brazil)
- Sinbolic (Death Black-Slovenia) - Other name : ex-Breeding Pit
- Sinbreed (Speed Heavy-Germany)
- Sincarnate (Death Doom-Romania)
- Since1889 (Visual Kei-Japan) - Other name : Since 1889
- Since Ever (Symphonic Metal-Sweden)
- Since My Beloved (Metalcore-USA)
- Since October (Nu Metal-USA) - Other name : SO
- Since The Day (Alternative Metal-Germany) - Other name : STD
- Since The Death (Death Black-Sweden)
- Since The Flood (Hardcore-USA) - Other name : STF
- Since We Were Kids (Crossover-USA)
- Sincebyman (Hardcore-USA)
- Sincera (Black Death-Norway) - Other name : ex-Evening
- Sincerely, Yours (Metalcore-United-Kingdom) - Other name : S,Y
- Sincères Condoléances (Thrash Metal-France)
- Sincerity (Metalcore-United-Kingdom)
- Sincerity Green (Gothic Metal-Japan)
- Sincerus (Progressive Death-Netherlands)
- Sinch (Nu Metal-USA)
- Sinclined (Melodic Death-Finland)
- Sincracy (Thrash Death-Portugal)
- Sincrazy (Metalcore-France)
- Sincrea (Power Metal-Japan)
- Sindecade (Melodic Black-Germany)
- Sindicato Del Crimen (Fusion-Spain) - Other name : SDC
- Sindikate (Melodic Death-Germany) - Other name : ex-Cursed Life
- Sindios (Progressive Black-USA)
- Sindraz (Black Metal-Malaysia)
- Sindread (Melodic Death-Finland)
- Sinthrone (Melodic Heavy-Finland) - Other name : ex-Sindroma
- Head Control System (Alternative Metal-Portugal) - Other name : HCS, ex-SinDRomE
- Sindrome (USA) (Death Thrash-USA)
- Sindrome (ARG) (Death Metal-Argentina)
- Sindrome Do Odio (Grindcore-Brazil) - Other name : SxDxO
- Sindulgence (Experimental Metal-South-Africa)
- Sindustry (Thrash Death-Austria)
- Sine Luce (Black Metal-Italy)
- Sine Macula (Gothic Metal-Italy) - Other name : SM
- Sinequanon (Thrash Speed-Spain)
- Sinergia (ESP) (Crust-Spain)
- Sinergia (ARG) (Thrash Heavy-Argentina)
- Sinergy (Melodic Power-Finland)
- Sinestesia (Progressive Metal-Italy)
- Sineus (Thrash Death-USA)
- Sinflower (Metal-Italy)
- Sinfonía Céltica (Melodic Heavy-Mexico)
- Sinfonica (Symphonic Metal-Argentina)
- Sinforce (Melodic Power-Germany)
- Sinful (USA) (Heavy Metal-USA)
- Sinful (RUS) (Symphonic Black-Russia)
- Sinful Carrion (Death Metal-Poland)
- Sinful Eternity (Black Metal-Hungary)
- Sinful Oath (Thrash Black-India)
- Sinful Souls (Death Metal-Poland)
- Sinful Ways (Thrash Heavy-Canada)
- Sinfulness (Progressive Metal-Belgium)
- Sing Sing (Hard Rock-Hungary)
- Singhasari (Black Metal-Malaysia)
- Single Bullet Theory (Thrash Metal-USA)
- Single Winged Angel (Gothic Metal-China) - Other name : Angel Monoplane, 单翼天使
- Single Wound (Hardcore-Canada)
- Singra (Alternative Metal-Angola)
- Singsing (Hard Rock-USA)
- Singularities Make Me Nervous (Deathcore-Russia) - Other name : SMMN
- Singularity (USA-1) (Melodic Black-USA)
- Singularity (USA-2) (Progressive Metal-USA)
- Singultus (Doom Black-United-Kingdom)
- Singulus (Metal-Russia)
- Singur Fiinta (Black Metal-Canada)
- Sinheresy (Symphonic Metal-Italy)
- Siniac (Symphonic Black-North Macedonia)
- Siniestra (Heavy Metal-Argentina)
- Siniestral (Melodic Black-Chile)
- Siniestro (CHL) (Death Metal-Chile)
- Siniestro (ECU) (Thrash Metal-Ecuador)
- Siniestro (SWE) (Thrash Metal-Sweden)
- Sinira (Melodic Black-USA)
- Sinisfear (Death Metal-Canada)
- Sinistar (Glam Rock-USA)
- Sinister (DK) (Thrash Metal-Denmark) - Other name : ex-Almighty
- Sinister (USA) (Thrash Metal-USA)
- Sinister (NL) (Death Metal-Netherlands)
- Sinister Angel (Power Metal-USA)
- Sinister Creation (Melodic Death-Finland)
- Sinister Creed (Death Metal-USA)
- Sinister Demise (Brutal Death-Ireland)
- Sinister Downfall (Funeral Doom-Germany)
- Sinister Ecstasy (Doom Black-Poland)
- Sinister Frost (Symphonic Black-Russia)
- Sinister Grace (Gothic Metal-USA)
- Sinister Haze (Doom Metal-USA)
- Sinister Icon (Heavy Metal-Germany)
- Sinister King (Progressive Heavy-Norway) - Other name : ex-Camp Loco
- Sinister Mind (Symphonic Black-Mexico)
- Sinister Oath (Black Metal-France)
- Sinister Pride (Death Thrash-USA)
- Sinister Rais (Black Dark-Colombia)
- Sinister Realm (Heavy Metal-USA)
- Sinister Reflection (Thrash Metal-USA)
- Sinister Sadist (Thrash Death-USA)
- Griffin (USA) (Speed Metal-USA) - Other name : ex-Sinister Savage
- Sinister Shadow (Melodic Power-Italy)
- Sinister Superstar (Black Metal-South-Africa)
- Sinister Tales (Doom Metal-United-Kingdom)
- Sinister Tradition (Black Metal-USA)
- Karkaos (Melodic Death-Canada) - Other name : ex-Sinister Vengeance
- Sinisterite (Black Metal-United-Kingdom)
- Sinisthra (Gothic Metal-Finland) - Other name : ex-Nevergreen
- Sinistra (BRA) (Hard Rock-Brazil)
- Sinistra (CZ) (Heavy Metal-Czechia)
- Sinistra (GER) (Funeral Doom-Germany)
- Sinistral King (Death Black-Germany)
- Sinistrary (Black Metal-Colombia)
- Sinistre (Black Metal-France)
- Sinistro (Doom Metal-Portugal)
- Sinistrous Diabolus (Death Doom-New-Zealand)
- Sinith Hall (Progressive Death-USA)
- Sinity (Melodic Death-Finland)
- Sinix (Thrash Metal-Argentina)
- Sink (Drone-Finland)
- Sink Shower (Black Death-USA)
- Sink The City (Metalcore-United-Kingdom)
- Sink The Ship (Post Hardcore-USA) - Other name : STS
- As Artifacts (Metalcore-USA) - Other name : AA, ex-Sink This Ship!
- Sinkarma (Nu Metal-Chile)
- Sinke Dûs (Dark Ambient-Sweden)
- SinKing (Power Metal-Finland)
- Sinking Soul (Heavy Metal-Italy)
- Sinlust (Black Metal-France)
- Sinmara (Black Metal-Iceland)
- Sinmate (Thrash Metal-Finland)
- Sinmattic (Melodic Metal-Portugal)
- Stranded In Newport News (Thrash Metal-USA) - Other name : SINN
- Sinn (Crossover-France)
- Sinn Aeon Wandis (Black Metal-France)
- Sinned (Death Metal-Canada)
- Sinnemia (Gothic Metal-Czechia)
- Sinner (GER) (Heavy Metal-Germany)
- Sinner (ARG) (Thrash Metal-Argentina)
- Sinner Guard (Heavy Metal-Greece)
- Sinner Rage (Heavy Metal-Spain)
- Sinner Rider (Heavy Metal-Greece)
- Sinner Serpent (Black Metal-Colombia)
- Sinner Sinners (Hard Rock-USA)
- Sinner Steel (Thrash Heavy-USA)
- Sinner's Blood (Melodic Heavy-Chile)
- Sinner's Tale (Power Metal-Germany)
- SinnerAngel (Melodic Death Black-Colombia)
- Sinnergod (Alternative Metal-United-Kingdom)
- Sinners Aide (Melodic Death-Canada)
- Sinners Bleed (Death Metal-Germany)
- Sinners Burn (Death Metal-Sweden)
- Sinners Grief (Stoner Doom-Sweden)
- Sinners In Rage (Metalcore-Germany) - Other name : SIR
- Sinners In The City (Screamo-United-Kingdom) - Other name : SITC
- Sinners Moon (Symphonic Metal-Slovakia)
- Sinners Paradise (Dark Metal-Sweden) - Other name : ex-Dragonfly, ex-Her Whisper, ex-Disconnected
- Sinners Saints (Hard Rock-USA)
- Deceivegod (Death Metal-Chile) - Other name : ex-Sinnersoul
- Sinnerstesy (Melodic Death-Colombia)
- Sinnery (Thrash Metal-Israel)
- Trencadis (Dark Ambient-Sweden) - Other name : ex-Sinneskross
- Sinneth Soul (Atmospheric Metal-United-Kingdom)
- Sinning Is Our Savior (Progressive Death-USA)
- Sinnrs (Melodic Black-Denmark)
- Sinnsyk (Progressive Metal-Brazil)
- Sinnsykdom (Black Metal-Norway)
- Sino (Gothic Death-Chile)
- Sinoath (Symphonic Death Black-Italy)
- Sinocence (Heavy Metal-United-Kingdom)
- Beheading Machine (Brutal Death-Poland) - Other name : Sinopera
- Sinopsis (CHL) (Crossover-Chile)
- Sinopsis (FRA) (Death Thrash-France)
- Sinopsis (VEN) (Death Black-Venezuela)
- Sinorma (Progressive Death-France)
- Sinpekado (Thrash Metal-Spain)
- Sinphonia (Gothic Metal-Denmark) - Other name : ex-Anachorete
- Sinphonicon (Symphonic Death Black-Poland)
- Sinprophecy (Melodic Death-Egypt)
- Sinpularctos (Black Metal-United-Kingdom)
- Sinrise (Progressive Power-Brazil)
- Sins In Vain (Melodic Metal-Sweden)
- Sins Of A Bullet (Death Metal-USA) - Other name : SOAB
- Sins Of A Divine Mother (Nu Metal-USA)
- Sins Of A Murder (Death Metal-Germany)
- Sins Of Omission (Melodic Death-Sweden) - Other name : SOO, ex-To The Grind
- Sins Of Shadows (Power Metal-France)
- Sins Of Sorrow (Melodic Death-Canada)
- Sins Of The Damned (Speed Metal-Chile)
- Sins Of The Father (Thrash Metal-Australia)
- Sins Of The Watchmen (Experimental Metal-United-Kingdom)
- Sinsaenum (Death Metal-France) - Other name : Sinsænum
- Sinscale (Death Metal-France)
- Sinsick (Hardcore-Germany)
- Sinsid (Heavy Metal-Norway)
- Sinskids (Brutal Death-Thailand)
- Sinstorm (Melodic Black-USA)
- Sintage (Heavy Metal-Germany)
- Sintala Rána (Symphonic Black-China)
- Sintanic (Thrash Metal-USA)
- Sintax (Thrash Metal-Israel)
- Sintech (Industrial Black-Germany)
- Sinthetik (Deathcore-Canada)
- Sinthetik Sentienz (Progressive Death-USA)
- Sintoma De Violencia (Death Metal-Ecuador)
- Sintoxicate (Crossover-Singapore)
- SinTuition (Deathcore-United-Kingdom)
- Sintury (Death Metal-USA)
- Sinuism (Metalcore-United-Kingdom)
- Sinus (Heavy Metal-Germany)
- Sinusoid (Metalcore-Australia)
- Sinverse (Progressive Metal-Switzerland)
- Sinworm (Porno Gore Grind-USA)