| Ost & Kjex |
| Osta Love |
| Ostberlin Androgyn |
| Ostblockschlampen |
| Oster Lapwass |
| Ostetrika Gamberini |
| OSTROVA |
| Ostry |
| Ostry Bezimienni |
| Osunlade |
| Osvaldo Borgez |
| Osvaldo Di Dio |
| Osvaldo Fresedo |
| Osvaldo Montes |
| Osvaldo Pugliese |
| Osvaldo Supino |
| OSVISS |
| Oswaldo Montenegro |
| Oswin Benjamin |
| Osymyso |
| Osyron |
| Oszibarack |
| OT |
| Otalay |
| Otari |
| Otavio Augusto & Gabriel |
| Otávio de Sousa |
| Oteil Burbridge |
| Otep |
| OTF Ikey |
| Otha T. Carpenter |
| OthaSoul |
| Othello |
| Othello Anderson |
| Othello Molineaux |
| Other Lives |
| Other Me |
| Other Men |
| Other Side |
| Other Star People |
| Other Two |
| Other Wood |
| Otherkin |
| Others |
| Otherwise |
| Othman Hamzah |
| Othniel |
| Othorized Fam |
| Othrs |
| Othrsyde |
| OTI$ |
| Otie |
| Otieno Terry |
| Otilia |
| Otis |
| Otis and Carla Band |
| Otis Blackwell |
| Otis & Carla |
| Otis Clay |
| Otis Day |
| Otis Day & the Knights |
| Otis Grand |
| Otis Parker |
| Otis Redding |
| Otis Redding & Carla Thomas |
| Otis Rush |
| Otis Rush & His Band |
| Otis & Shugg |
| Otis Spann |
| Otis Stacks |
| Otis Stokes |
| Otis Taylor |
| Otis Webster |
| Otis Williams & the Charms |
| OTM Huntcho |
| Otneall Prise |
| Oto Nemsadze |
| Otomo Yoshihide |
| Otosan |
| OTOY |
| OTR |
| Otro |
| Otros Aires |
| OTSDR |
| Otsochodzi |
| Ott Lepland |
| Ottavio Dantone |
| Ottawan |
| Ottawans |
| Ottenhiem Potboiler |
| Ottewell |
| Ottile Patterson |
| Ottilie Patterson |
| Ottmar Liebert |
| Otto |
| Otto Brandenburg |
| Otto Hardwick |
| Otto Knows |
| Otto Ohm |
| Otto Patrick |
