Artists starting with O
- Okkervil River
- Oklahoma!
- Oklahoma Means Run
- Oklahoma movie
- Okoliczny Element
- Okou
- Okoume
- Okoumé
- Oksana
- Oksana Angel
- Oksana Pochepa
- Oktane
- Oktay Aksu
- Oktay Guzelbay
- Oktay Kaynarca
- Oktobar 1864
- Oku Hanako
- Okuda Miwako
- Okuda Tamio
- Okui Masami
- Okumura Hatsune
- Okusama wa Maho Shojo
- OKUYATOS
- Ol Dirty Bastard
- Ol Kainry
- OL Shimai
- Ol Skool
- Ola
- Ola Magnell
- Ola Onabule
- Ola Podrida
- Ola Ray
- Ola Svensson
- Ola Szwed
- Olaf Henning
- Olamide
- Olamonola & Madmike
- Olan
- Olarte C-zar
- Olavi Uusivirta
- Olavi Virta
- O.l.d.
- Old 97′s
- Old 97s
- Old Again
- Old And In The Gray
- Old Boy Network
- Old Ceremony
- Old Crow Medicine Show
- Old Crow Medicine Show Featuring Gillian Welch & David Rawlings