 | Osiah - Chronos [EP] Metal |  03.02.2023 |
 | Osiah - Kairos Metal | 08.12.2023 |
 | Osiah - Loss Metal | 07.05.2021 |
 | Osibisa - Selected Works Rock |  20.10.2011 |
 | Osiedlowe Linie Lotnicze - Lot pierwszy Hip-Hop | 18.12.2015 |
 | Osiris - Meanders A Soul... Metal | 26.04.2021 |
 | Oskar Cyms - Nigdy wcześniej Pop | 17.11.2023 |
 | Oskar Cyms - Szkic i kontury Pop | 15.05.2025 |
 | Oso Vicious - It's All in the Game Hip-Hop |  01.11.2011 |
 | Ossaert - Offerdier Metal | 07.04.2023 |
 | Ossian - A Reményhozó Metal | 05.04.2019 |
 | Ossian - A Teljesség Metal | 30.04.2021 |
 | Ossilegium - The Gods Below Metal | 03.05.2024 |
 | Osssy - Serum Pop | 08.05.2012 |
 | Ossuary - Abhorrent Worship Metal | 23.05.2025 |