Artists starting with O
- Ossie Davis
- OSSO
- OST BOYS
- Ost+Front
- Ostan Stars
- Oster Lapwass
- Ostry
- Osunlade
- Oswaldo Montenegro
- Oswin Benjamin
- Osx Mob
- Osyris Antham
- OTALY
- OTB Fastlane
- Otep
- OTF Ikey
- OTF Nunu
- Otha
- Other Lives
- OTHERKIN
- OTHERLiiNE, George FitzGerald & Lil Silva
- Otherwise
- Oti$ DEaN III
- Otierre
- Otile Brown
- Otilia
- Otis & Grimaso
- Otis Clay
- Otis Day & The Knights
- Otis Junior
- Otis McDonald
- Otis Redding
- Otis Redding & Carla Thomas
- Otis Rush
- Otis Spann
- Otis Stacks
- Otis Taylor
- OTM (On The Move)
- OTM Frenchyy
- OTM Ruger
- Otnose.
- Oto Nemsadze
- Otomania
- Otonom Piyade
- OTR
- OTR & Au/Ra
- OTR & WYNNE
- Otsochodzi
- Ott
- Ottawan
- OTTO
- Otto Brandenburg
- Otto Knows
- OTTO NORMAL
- Otto Waalkes
- OTW
- Otzeki
- Ou Est Le Swimming Pool
- Ouenza
- Ougenweide
- Ought
- Ouija
- Ouija Macc
- Oum
- Oumar
- Oumou Sangaré
- Oun-P
- Our Girl
- Our Hollow, Our Home
- Our King Naje
- Our Lady Peace
- Our Last Night
- Our Mirage
- Our Native Daughters
- Our Past Days
- Our Waking Hour
- Ours
- Ourselves the Elves
- Ous D Ous
- Ouse
- Ouss & Riane
- Out Came The Wolves
- Out Lines (Scotland)
- Out of Eden
- Out of the Dust
- Out of the Dust & Plumb
- Out Of The Grey
- Out Psycho
- Outasight
- Outbreakband
- Outburst
- Outcasts
- Outer Heaven
- Outerspace (Duo)
- Outerspass
- Outfit
- OutKast
- Outlandish
- Outlaw
- Outlaw Wijaya Brothaz
- OutlawArtist
- Outlawz
- Outline
- Outline In Color
- Outlines