| Artist Name/Author | Track Count | Audio Tracks | |
|---|---|---|---|
| O La Paloma Boys | Group | 2 | 0 |
| O Yeah | Group | 1 | 0 |
| O.A.R. | Group | 3 | 0 |
| O.P.A. (Oppressive People Attack) и Aleksiou Xaroyla | Duet | 1 | 0 |
| O.R.O.(Onde Radio Ovest) | Group | 1 | 0 |
| Oak Ridge Boys, The | Group | 36 | 0 |
| Oakenfold Paul и J. Hart | Duet | 1 | 0 |
| Oasis | Group | 51 | 6 |
| Oazo Max и Vee Angelika | Duet | 1 | 0 |
| Obada Diana | 0 | 1 | |
| Obel Agnes | 1 | 0 | |
| Obernik Sam и Dada A.K.A Matt Schwartz | Duet | 1 | 1 |
| Obispo Pascal и St-Pier Natasha | Duet | 1 | 1 |
| Obispo Pascal | 3 | 0 | |
| Obispo Pascal , Faudel, Winter Ophelie, Fabian Lara, Zazie, Red Axelle | Group | 3 | 1 |
| Obradors Fernando | 1 | 0 | |
| Obreadnie | 5 | 0 | |
| Obuolys (Alvydas Lukoševičius) | 1 | 1 | |
| Oby Toby | 1 | 0 | |
| Ocean Billy | 22 | 2 |
