- Oráculo De Delfos (Heavy Metal-Brazil) - Otro nombre : OD
- Oh, Destroyer (Grindcore-USA) - Otro nombre : OD
- Over Death (Death Metal-Brazil) - Otro nombre : OD
- Od'Sahe (Death Black-Russia)
- ODA (Hard Rock-USA)
- Oda Relicta (Dark Ambient-Ukraine)
- One Day As A Lion (Fusion-USA) - Otro nombre : ODAAL
- Odagra (Ambiant Black-Croatia)
- Odal (Pagan Black-Germany)
- Odalwolf (Black Metal-Germany)
- Of Dreams And Madness (Progressive Metal-USA) - Otro nombre : ODAM
- Odanë (Neo Classical-France)
- Odar (Black Metal-Bosnia and Herzegovina) - Otro nombre : ex-Capricorn Silhouette
- Odax (Heavy Metal-USA)
- ODC (PL) (Hardcore-Poland)
- ODC (FRA-1) (Thrash Metal-France)
- ODC (FRA-2) (Alternative Metal-France)
- Odcult (NWOBHM-Denmark)
- Odd (Alternative Metal-Italy)
- Odd Crew (Crossover-Bulgaria)
- Odd Dimension (Progressive Metal-Italy)
- Odd Goo (Alternative Metal-Germany)
- Odd Heathenish (Thrash Death-Spain)
- Odd Inertia (Deathcore-France)
- Odd Logic (Progressive Metal-USA)
- Odd Project (Metalcore-USA) - Otro nombre : OP
- Odd Shaker (Alternative Metal-France)
- Oddism (Experimental Metal-France)
- Oddiss (Heavy Metal-Russia)
- Oddities (Deathcore-USA)
- Oddity (Death Metal-Mexico)
- Oddium (Thrash Metal-Brazil)
- Oddko (Industrial Electro-USA)
- Oddland (Progressive Metal-Finland)
- Oddmongers (Thrash Metal-France)
- Dias De Raiva (Hardcore-Portugal) - Otro nombre : ODDR, Os Dias De Raiva
- ODdS (Technical Death-France)
- Oddsize (Hardcore-France)
- Oddskabbcatz (Black Metal-Sweden)
- Ode (Black Metal-Netherlands) - Otro nombre : Öde
- Ode In Black (Melodic Heavy-Finland)
- Ode Insone (Melodic Death-Brazil)
- Ode Odium (Gothic Metal-Portugal)
- Ode Of Eternity (Gothic Metal-United-Kingdom)
- Ode Sakura (Melodic Death-Russia)
- Ode To Decay (Black Death-France)
- Ode To The End (Deathcore-Japan)
- Ode Vinter (Black Metal-USA) - Otro nombre : Øde Vinter
- Odeema (Hardcore-Finland)
- Odelegger (Black Metal-Germany)
- Odem (Black Death-Russia)
- Odem Arcarum (Atmospheric Black-Germany)
- Oden (Pagan Black-Sweden)
- Oden Sun (Doom Metal-USA)
- Odens Raven (Black Heavy-Germany)
- Odenwrath (Death Thrash-Sweden)
- Odeon (Metal-Germany)
- Oderzhimost (Symphonic Heavy-Russia) - Otro nombre : Possession, ???????????
- Odes Of Ecstasy (Gothic Metal-Greece)
- Odessa (Metalcore-United-Kingdom)
- Odetosun (Progressive Death-Germany)
- Odeum Deus (Death Metal-Sweden)
- Orgasm Death Gimmick (Hard Rock-Germany) - Otro nombre : ODG
- Odhin Runes (Pagan Black-Argentina)
- Odhinn (Pagan Black-Sweden)
- Odi Profanum Vulgus (Death Black-Poland)
- Odiame (Hardcore-USA)
- Odica (Heavy Metal-Ecuador)
- Odin (JAP) (Symphonic power-Japan)
- Odin (GER) (Progressive Heavy-Germany)
- Odin (USA) (Heavy Metal-USA)
- Odin's Court (GRC) (Pagan Black-Greece)
- Odin's Court (USA) (Progressive Metal-USA)
- Odin's Eye (Melodic Power-Sweden)
- Odinfist (Thrash Heavy-Canada)
- Odinn (Death Metal-Iceland)
- Odins Forest (Melodic Black-USA)
- Odinsgoat (Black Metal-USA)
- Odio (Thrash Metal-Brazil)
- Odio Antico (Black Metal-Italy)
- Odio Deus (Black Metal-Norway)
- Odio Su Tela (Crossover-Italy)
- Odio Vestri (Funeral Doom-Russia)
- Odio X Odio (Hardcore-Argentina)
- Odiosior (Black Metal-Finland)
- Odiosordo (Black Metal-Italy)
- Odious (ALB) (Symphonic Black-Albania)
- Odious (EGY) (Symphonic Death Black-Egypt)
- Odious Devotion (Black Metal-Finland)
- Gyre Of Incandescents (Atmospheric Black-Finland) - Otro nombre : Odious Devotion
- Odious Mortem (Brutal Death-USA)
- Odious Sanction (Deathcore-USA)
- Odious Spirit (Experimental Metal-USA)
- Odisea (CUB) (Progressive Metal-Cuba)
- Odisea (ARG) (Heavy Metal-Argentina)
- Odisseia (BRA) (Progressive Metal-Brazil)
- Odisséia (Heavy Metal-Brazil)
- Oditeohr (Black Dark-France)
- Inner Missing (Death Doom-Russia) - Otro nombre : ex-Odium
- Odium (USA) (Heavy Metal-USA)
- Odium (GER) (Thrash Metal-Germany)
- Odium (CAN) (Melodic Death-Canada)
- Odium (RUS) (Death Metal-Russia) - Otro nombre : Evil Death
- Odium (SWE) (Industrial Metal-Sweden)
- Odium (UK) (Black Metal-United-Kingdom)
- Odium (FRA) (Black Metal-France)
- Odium (NOR) (Symphonic Black-Norway)
- Odium Diabolicum (Black Metal-France)
- Odium Hominum (Black Death-Brazil)
- Odium Humani Generis (Black Metal-Poland) - Otro nombre : OHG
- Odium Immortalis (Melodic Black-Germany)
- Odium Incarnate (Death Metal-United-Kingdom)
- Odium Malum (Black Metal-Bosnia and Herzegovina)
- Odium Nova (Melodic Death-Russia)
- Odium Perpetuum (Black Metal-Portugal)
- Odium (PL-1) (Death Thrash-Poland)
- Odium (PL-2) (Progressive Death-Poland)
- Odium Throne (Death Metal-Russia)
- Odium Totus (Black Metal-USA)
- Odiur (Death Doom-Sweden)
- Odiusembowel (Death Grind-New-Zealand)
- Odja (Hardcore-France)
- Slechtvalk (Unblack-Netherlands) - Otro nombre : ex-oDmmer
- ODO (Thrash Metal-Italy)
- Odo'Sha (Folk black-Venezuela)
- Odol (CAN) (Black Metal-Canada)
- Odol (MEX) (Black Metal-Mexico)
- Odon (Pagan Black-Hungary)
- Baal Ze Ub (Thrash Black-Germany) - Otro nombre : ex-Odor
- Odor Mortis (Black Metal-Russia)
- Odota (Doom Black-Estonia)
- Odour Of Death (Black Metal-United-Kingdom)
- 0.68 (Funeral Doom-Germany) - Otro nombre : Odpörovät 1968
- Odr (Pagan Folk-Italy)
- Odraedir (Pagan Folk-Czechia)
- Odraza (Black Metal-Poland)
- Odregru (Avantgardiste Black-Spain)
- Odroerir (Folk Metal-Germany)
- Odrot (Sludge Doom-USA)
- Odrum (Black Metal-Chile)
- Oliver Dawson Saxon (Heavy Metal-United-Kingdom) - Otro nombre : ODS, ex-Son Of A Bitch
- One Dead Three Wounded (Metalcore-USA) - Otro nombre : ODTW
- Odum (Progressive Death-France)
- One Day Waiting (Alternative Metal-USA) - Otro nombre : ODW
- Odyn's Nocturnal North (Black Metal-Kyrgyzstan)
- Odyrmos (Atmospheric Black-Greece)
- Odyssea (Melodic Power-Italy)
- Odyssean Passage (Technical Death-USA)
- Odysseus Never Came Back (Post Hardcore-Greece) - Otro nombre : ONCB
- Odysseus Reborn (Thrash Heavy-Australia)
- Odyssey (ESP) (Progressive Metal-Spain)
- Odyssey (RSA) (Heavy Metal-South-Africa)
- Odyssey (PAK) (Progressive Power-Pakistan)
- Odyssey Dawn (Thrash Metal-USA)
- Odyssey (FRA-1) (Hardcore-France)
- Odyssey (FRA-2) (Hard Rock-France)
- Odyssey (SWE-1) (Progressive Metal-Sweden)
- Odyssey (SWE-2) (Stoner-Sweden)
- Odyssey (USA-1) (Progressive Metal-USA)
- Odyssey (USA-2) (Thrash Metal-USA)
- Odyssia (Symphonic Death Black-Other)
- Odz Manouk (Black Metal-USA)
- Odzew (Avantgardiste Black-Poland)