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 | Onirophagus - Endarkenment Metal |  19.02.2019 |
 | Onirophagus - Revelations From The Void Metal | 17.01.2025 |
 | Onlap - Waves Metal | 14.06.2024 |
 | Onmyo-Za - 雷神創世 Metal | 24.09.2014 |
 | Onmyo-Za - 風神界逅 Metal | 24.09.2014 |
 | Onslaught - Generation Antichrist Metal | 07.08.2020 |
 | Onslaught - Live At The Slaughterhouse [Live] Metal | 12.02.2016 |
 | Onslaught - Origins Of Aggression Metal |  23.05.2025 |
 | Onslaught - VI Metal | 20.09.2013 |
 | Ontborg - Following The Steps Of Damnation Metal | 24.02.2023 |
 | Onward - New Fathoms Down Metal | 01.07.2014 |