| Oxford Circus | 0 |
| Oxid | 0 |
| Oxide | 0 |
| Oxide | 0 |
| Oxide & Neutrino | 0 |
| Oxmo Puccino | 0 |
| Oxo | 0 |
| Oxygen | 0 |
| Oxygen | 0 |
| Oxygen | 0 |
| Oxymoron | 0 |
| Oysterband | 0 |
| Oysterhead | 1 |
| Oz | 0 |
| Ozan | 0 |
| Ozark Henry | 0 |
| Ozark Mountain Daredevils | 1 |
| Ozark Mountain Daredevils | 1 |
| Ozay | 0 |
| Özdemir Erdogan | 0 |
| Ozelen | 0 |
| Ozgur Uzar | 0 |
| Ozi | 0 |
| Ozie Ware | 0 |