 | Ossian - A Reményhozó Metal |  05.04.2019 |
 | Ossian - A Teljesség Metal | 30.04.2021 |
 | Ossilegium - The Gods Below Metal | 03.05.2024 |
 | Ossuary - Abhorrent Worship Metal | 23.05.2025 |
 | Ossuary Anex - Obscurantism Apogee Metal |  22.09.2020 |
 | Ostrogoth - Before The Full Moon Metal | 19.11.2021 |
 | Otargos - 20 Years Of Human Termination [Live] Metal | 14.05.2021 |
 | Otargos - Fleshborer Soulflayer Metal | 10.12.2021 |
 | Otep - Kult 45 Metal | 27.07.2018 |
| Otep - The God Slayer Metal | 15.09.2023 |
 | Other World - Tenebrous Metal | 30.08.2024 |
 | Otherwise - Defy Metal | 08.11.2019 |
 | Otherwise - Sleeping Lions Metal | 20.09.2017 |
 | Ottone Pesante - Scrolls Of War Metal | 18.10.2024 |
 | Ou - II: Frailty Metal | 26.04.2024 |