| Bishops' Choir of the Nizhny Novgorod Diocese | Kirchenmusik / Gospel | 1 |
| Olga Voronets | Sowjetisches Lied Estrada | 3 |
| Mahmut Orhan | TanzmusikPop | 3 |
| ONF | Pop | 1 |
| Oh Wonder | Indi-Musik | 1 |
| Owen Westlake | Elektronische Musik | 1 |
| Fyr Og Flamme | Pop | 1 |
| Johnny Orlando | Pop | 1 |
| Olsen Brothers | Pop | 1 |
| Elena Obraztsova | Romanze | 1 |
| Olaf & Hans | Pop | 2 |
| Olga Zarubina | EstradaPopSoundtrack | 21 |
