| Orchestral Manoeuvres in the Dark (OMD) | PopElektronische MusikSynthiepop | 1 |
| Omar Rudberg | Pop | 1 |
| Bad Omens | SchwermetallHardrock | 1 |
| That Mexican OT | Rap/ Hip-Hop | 1 |
| Royel Otis | Pop | 1 |
| Orville Peck | Country-MusikPop | 1 |
| Oliver Frank | Pop Estrada | 2 |
| Olga Seryabkina | Pop | 1 |
| Evgeny Osin | Pop Estrada | 7 |
| KISS OF LIFE | Pop | 1 |
| Bachman-Turner Overdrive | RockHardrock | 3 |
| Ostap Parfenov | Pop | 2 |
