| O-ZONE |
1 |
| O.G EzzY |
1 |
| O.T |
1 |
| OBLADAET |
1 |
| OBRAZKOBRA |
1 |
| OELANA |
1 |
| Ofenbach |
1 |
| Ofenbach vs. Nick Waterhouse |
1 |
| OFF BLACK |
1 |
| OG Buda |
2 |
| OG BURIALGROUND |
1 |
| Oh Wonder |
1 |
| Ohunjon Madaliyev |
1 |
| Oksana Fluff |
2 |
| OLDCLOUD & LIZER |
1 |
| OLEG ЭГО |
3 |
| OLEHAN |
2 |
| OLEYNIK |
1 |
| Olisha |
3 |
| Oliver Heldens |
1 |
| Oliver Tree |
1 |
| Olivia Rodrigo |
3 |
| OM. |
3 |
| OMNIXX |
6 |
| On I Ona |
1 |
| ONE OK ROCK |
1 |
| ONE PAV ENOUGH |
1 |
| OneRepublic |
3 |
| Onilow |
1 |
| ONINO |
3 |
| Onlife |
7 |
| ONUKA |
2 |
| Ooes |
6 |
| Open Kids |
13 |
| Opium |
1 |
| Orudj |
1 |
| Orxan |
2 |
| Osmos |
2 |
| OSTROVA |
1 |
| Otomania |
1 |
| ottenok |
1 |
| OTURRO |
2 |
| Outlandish |
1 |
| OWEEK |
13 |
| Ownifame |
2 |