| Orchestral Manoeuvres in the Dark (OMD) | PopMúsica electrónicaSynth pop | 1 |
| Omar Rudberg | Pop | 1 |
| Bad Omens | Heavy metalRoca dura | 1 |
| That Mexican OT | Rap / hip-hop | 1 |
| Royel Otis | Pop | 1 |
| Orville Peck | ContryPop | 1 |
| Oliver Frank | PopVariedades | 2 |
| Olga Seryabkina | Pop | 1 |
| Evgeny Osin | PopVariedades | 7 |
| KISS OF LIFE | Pop | 1 |
| Bachman-Turner Overdrive | RockRoca dura | 3 |
| Ostap Parfenov | Pop | 2 |
