| Lord of the Lost | Rock | 1 |
| Anna Oxa | Pop | 1 |
| Olexesh | Rap | 3 |
| Sun of Freedom | RapSoundtrack | 4 |
| Oleg Shaumarov | Pop | 1 |
| Element of Crime | Independent musicRockBlues | 3 |
| Orietta Berti | Pop | 1 |
| OTTA | Instrumental music | 1 |
| Oxlade | Soul | 1 |
| OMNIA | Folk | 1 |
| Oliver Jackson | Soundtrack | 1 |
| Three Days of Rain | RockAlternative rockRapPopSoundtrack | 6 |
