| Tatjana Owsijenko | PopVariedades | 23 |
| Oscar Feltsman | Canción soviéticaVariedadesSoundtrackPopRockClásicaRomanzaChristmas | 136 |
| Surganova & Orchestra | RockBaladaBlues / Blues rock | 7 |
| Irina Ortman | Pop | 6 |
| Olga Losina | Pop | 1 |
| Olga Orlova | Pop | 6 |
| Georg Ots | VariedadesCanción soviética | 10 |
| Organicheskaya Ledi | Música electrónicaPop | 3 |
| Zhenya Otradnaya | PopRomanza | 4 |
| Ocheretyanyy kit | PopFolk | 4 |
| Olenka | Pop | 3 |
| Simon Osiashvili | Variedades | 1 |
