| Lord of the Lost | RockHardrock BalladeSchwermetall | 4 |
| Anna Oxa | Pop | 1 |
| Olexesh | Rap/ Hip-Hop | 3 |
| Sun of Freedom | Rap/ Hip-HopSoundtrack | 4 |
| Oleg Shaumarov | Pop | 2 |
| Element of Crime | Indi-MusikRockBlues / BluesrockPop | 5 |
| Orietta Berti | Pop | 1 |
| OTTA | Instrumentalmusik | 1 |
| Oxlade | Soul | 1 |
| OMNIA | Folk | 1 |
| Oliver Jackson | Soundtrack | 1 |
| Three Days of Rain | RockAlternative Musik / Alternative RockRap/ Hip-HopSoundtrackPopPop Rock | 13 |
