| OneRepublic | PopSoundtrackRockElectronic musicDance musicPop Rock | 16 |
| Arkady Ostrovsky | Children's songSoviet songPop genre | 8 |
| Children Of the Earth | Pop | 1 |
| 5 Seconds of Summer | Pop RockDance musicPop | 4 |
| Old Dominion | Country music | 7 |
| Brothers Osborne | Country music | 2 |
| Twenty One Pilots | Alternative rockRapIndependent musicPop | 12 |
| Pair of normal | Pop | 1 |
| Michal Kleofas Oginski | Classic | 1 |
| Kristina Orbakaitė | PopSoundtrack | 23 |
| Jake Owen | Country music | 2 |
| Olga Buzova | PopSoundtrack | 14 |
