Featured bands
| Band | Style | Country | Formed | Split | Fans | ||
|---|---|---|---|---|---|---|---|
| 1 | 
|
Otep 2000-2024
|
Nu metal Alternative metal |
USA | 2000 | 2024 | 128 |
| 2 | 
|
Ov Shadows 2016-2024
|
Black metal | Sweden | 2016 | 2024 | 4 |
| 3 | 
|
OHHMS 2014-2023
|
Post-metal Sludge metal |
United Kingdom | 2014 | 2023 | 2 |
| 4 | 
|
Ossuarium 2016-2021
|
Death metal | USA | 2016 | 2021 | 9 |
| 5 | 
|
Obrero 2007-2020
|
Stoner metal Doom metal |
Sweden | 2007 | 2020 | 1 |
| 6 | 
|
Obscyria 2010-2020
|
Thrash metal Death metal |
Sweden | 2010 | 2020 | 0 |
| 7 | 
|
Old Graves 2013-2019
|
Atmospheric black metal | Canada | 2013 | 2019 | 1 |
| 8 | 
|
Öblivïon 2015-2018
|
Power metal | France | 2015 | 2018 | 0 |
| 9 | 
|
Oblivion's Garden 2008-2018
|
Symphonic metal | Spain | 2008 | 2018 | 0 |
| 10 | 
|
Obsidian Gate 1994-2017
|
Symphonic black metal | Germany | 1994 | 2017 | 12 |
| 11 | 
|
Occultation 2010-2017
|
Doom metal | USA | 2010 | 2017 | 5 |
| 12 | 
|
Ordoxe 1989-2017
|
Black metal | Canada | 1989 | 2017 | 2 |
| 13 | 
|
Orthodox (UKR) 2006-2017
|
Death metal | Ukraine | 2006 | 2017 | 0 |
| 14 | 
|
Oblivionized 2008-2016
|
Grindcore Technical death metal |
United Kingdom | 2008 | 2016 | 2 |
| 15 | 
|
Oreskah 2013-2016
|
Melodic death metal Metalcore |
France | 2013 | 2016 | 1 |
| 16 | 
|
Obsessör 2009-2015
|
Blackened thrash metal | Germany | 2009 | 2015 | 0 |
| 17 | 
|
Okazaki Fragments 2014-2015
|
Technical death metal Grindcore |
Canada | 2014 | 2015 | 1 |
| 18 | 
|
Optic 2007-2015
|
Progressive metal | USA | 2007 | 2015 | 0 |
| 19 | 
|
Omega Massif 2005-2014
|
Sludge metal | Germany | 2005 | 2014 | 16 |
| 20 | 
|
Omnivore 2011-2013
|
Death metal Thrash metal |
Italy | 2011 | 2013 | 0 |
| 21 | 
|
Obsidian 1997-2012
|
Progressive death metal | The Netherlands | 1997 | 2012 | 11 |
| 22 | 
|
One Man Army And The Undead Quartet 2004-2012
|
Death metal Thrash metal |
Sweden | 2004 | 2012 | 30 |
| 23 | 
|
Oceans Of Sadness 1995-2011
|
Extreme avantgarde metal Extreme progressive metal |
Belgium | 1995 | 2011 | 31 |
| 24 | 
|
Ophiuchus 1996-2011
|
Avantgarde black metal | The Netherlands | 1996 | 2011 | 0 |
| 25 | 
|
Olympos Mons 2002-2010
|
Power metal | Finland | 2002 | 2010 | 38 |
| 26 | 
|
Outworld 1997-2009
|
Progressive power metal | USA | 1997 | 2009 | 35 |
| 27 | 
|
Occult 1992-2005
|
Black metal Thrash metal |
The Netherlands | 1992 | 2005 | 13 |
| 28 | 
|
Orphanage 1993-2005
|
Melodic death metal Gothic metal |
The Netherlands | 1993 | 2005 | 30 |
| 29 | 
|
Obtained Enslavement 1989-2000
|
Death metal Black metal Symphonic black metal |
Norway | 1989 | 2000 | 32 |
| 30 | 
|
Oppressor 1991-1999
|
Technical death metal | USA | 1991 | 1999 | 7 |
| 31 | 
|
Ophthalamia 1989-1998
|
Black metal | Sweden | 1989 | 1998 | 30 |
| 32 | 
|
Oxiplegatz 1993-1998
|
Avantgarde metal | Sweden | 1993 | 1998 | 6 |
| 33 | 
|
Overthrow 1987-1991
|
Thrash metal Death metal |
Canada | 1987 | 1991 | 1 |
| 34 | 
|
Ö-Nirik 2006-
|
Melodic death metal Brutal death metal |
France | 2006 | - | 2 |
| 35 | 
|
Oak 2017-
|
Atmospheric doom metal Death doom metal |
Portugal | 2017 | - | 14 |
| 36 | 
|
Oak Pantheon 2011-
|
Melodic black metal Post-metal |
USA | 2011 | - | 20 |
| 37 | 
|
Oak, Ash & Thorn 2013-
|
Pagan folk metal | USA | 2013 | - | 4 |
| 38 | 
|
Oakenshield 2004-
|
Viking folk metal | United Kingdom | 2004 | - | 15 |
| 39 | 
|
Oakhelm 2005-
|
Pagan black metal Folk metal |
USA | 2005 | - | 0 |
| 40 | 
|
Oath Div. 666 2012-
|
Death metal | Canada | 2012 | - | 0 |
| 41 | 
|
Oath Of Cruelty 2010-
|
Death metal Thrash metal |
USA | 2010 | - | 1 |
| 42 | 
|
Oath SC 2018-
|
Heavy metal | United Kingdom | 2018 | - | 1 |
| 43 | 
|
Oath To Vanquish 2001-
|
Black metal Death metal |
Lebanon | 2001 | - | 8 |
| 44 | 
|
Oathbreaker 2008-
|
Black metal Post-metal Hardcore |
Belgium | 2008 | - | 46 |
| 45 | 
|
Oathbringer 2019-
|
Heavy metal Power metal |
Serbia | 2019 | - | 4 |
| 46 | 
|
Obduracy 2010-
|
Death metal | Canada | 2010 | - | 0 |
| 47 | 
|
Obed Marsh 2014-
|
Black metal Doom metal |
Australia | 2014 | - | 3 |
| 48 | 
|
Obituary 1984-
|
Death metal | USA | 1984 | - | 863 |
| 49 | 
|
Obitus 2000-
|
Black metal | Sweden | 2000 | - | 1 |
| 50 | 
|
Obliteration 2001-
|
Death metal | Norway | 2001 | - | 40 |