| Artist | Tracks | Plays |
|---|---|---|
| Oceansize | 1 | 1 |
| Odds | 1 | 1 |
| Official Hige Dandism | 1 | 1 |
| Oingo Boingo | 1 | 1 |
| Old 97’s | 1 | 1 |
| Oliver Tree | 1 | 1 |
| Olivia Rodrigo | 1 | 1 |
| OMC | 1 | 1 |
| One Direction | 1 | 1 |
| Onyx | 1 | 1 |
| Opus & Falco | 1 | 1 |
| Orchestral Manoeuvres In The Dark | 1 | 1 |
| Orgy | 1 | 1 |
| Ornette Coleman | 1 | 1 |
| Os Mutantes | 1 | 1 |
| Oscar the Grouch | 1 | 1 |
| Our Daughter’s Wedding | 1 | 1 |
| Owl City | 1 | 1 |
| Owls | 1 | 1 |
| P!nk | 1 | 1 |