| Irina Otieva | SoundtrackPop Estrada | 4 |
| Natalia Oreiro | SoundtrackPop | 3 |
| Ottokar Novacek | Klassik | 1 |
| Oleg Anofriyev | SoundtrackSowjetisches Lied EstradaPop | 12 |
| Otnicka | Tanzmusik | 1 |
| Olivia Jones | Pop | 1 |
| Olaf Berger | Estrada | 1 |
| Olga Getalova | Klassik | 1 |
| Oleg Mityaev | Autorenlied | 2 |
| Olivia Lunny | Pop | 1 |
| Roy Orbison | PopPop RockSoundtrack Estrada | 3 |
| City of Prague Philharmonic Orchestra | Soundtrack | 1 |
