| Orchestral Manoeuvres in the Dark (OMD) | PopMúsica electrónicaSynth pop | 6 |
| Omar Rudberg | PopR'n'B | 5 |
| Bad Omens | Heavy metalRoca duraRockMúsica alternativa / Rock alternativo | 5 |
| That Mexican OT | Rap / hip-hop | 1 |
| Royel Otis | Pop | 1 |
| Orville Peck | ContryPop | 1 |
| Oliver Frank | PopVariedades | 2 |
| Olga Seryabkina | PopMúsica de baileRap / hip-hop | 6 |
| Evgeny Osin | PopVariedades | 8 |
| KISS OF LIFE | Pop | 1 |
| Bachman-Turner Overdrive | RockRoca dura | 3 |
| Ostap Parfenov | Pop | 3 |
