- O
- OO
- OO
- OOak
- OakObe
- ObeObs
- ObsOce
- OceOct
- OctOdd
- OddODE
- ODEODV
- OdyOff
- OffOG
- OGOH
- OHOhm
- OhmOjo
- OjoOki
- Oki
- Old
- OldOle
- OleOli
- OliOlr
- OlsOMA
- OmaOme
- Omeon
- OnONE
- OneONE
- ONEOne
- oneOnl
- OnlOnw
- OnwOpa
- OpaOph
- OphOr
- OrOrb
- OrbOrc
- OrcOre
- OreOri
- OriOrk
- OrkOrp
- OrpOrs
- OrsOs
- OsOsc
- OscOsl
- OsmOsu
- OsuOtn
- OtoOtt
- OttOur
- OurOut
- OutOut
- OutOve
- OveOvi
- OviOwe
- OweOxo
- Oxo
- OZZ
- Oliver Sullivan
- Oliver the Crow
- Oliver the Penguin
- Oliver, Chiara (Operación Triunfo 2023)
- Oliver, David (70s R&B/soul singer)
- Oliver, Ian (German DJ)
- Oliver, J.
- Oliver, Jane (cellist)
- Oliver, Joan Miquel
- Oliver, King (jazz cornetist)
- Oliver, Martin
- Oliver, Steve (Guitarist/Vocalist/Songwriter/Producer)
- Oliver, Sy & Young, Trummy
- Oliver, Sy and His Orchestra
- Oliver, Thomas
- Oliver/Dawson Saxon
- Olivera (Finnish trance vocalist, song “Shooting Star” with John Dahlbäck)
- Olivera, Abril (Argentinian singer)
- Olivera, Abril & Espil, An
- Oliveras, Eugenio (US singer / rapper)
- Oliveray
- Olivero Beats
- Oliverse
- Oliverse feat. Exxe, Elle
- Olives (Thai girl group)
- Olivesi, Leïla (French pianist & composer)
- Olivia (US R&B & hip‐hop artist)
- Olivia (J-Pop/Rock artist Olivia Lufkin)
- Olivia (Jazz musician from Manila)
- OLIVIA (Belgian solo pop artist Olivia Trappeniers)
- Olivia and the Lovers
- Olivia Barton
- Olivia feat. 50 Cent
- Olivia Foy (Country Pop Artist)
- Olivia II (lo-fi musician Olivia Kessler)
- OLIVIA inspi' REIRA (TRAPNEST)
- Olivia Pale
- Olivia Project, The
- Olivia the Band
- Olivia Tremor Control, The
- Olivia, Beren (UK singer-songwriter)
- Olivia, Chelsea
- Olivia, Chika
- Olivia's World
- Olivier Heim (Olivier Heim is a Dutch songwriter and performer also known as a member of Très.b and Anthony Chorale.)
- Olivier, Christian
- Olivier, Franck
- Olivier, Géraldine
- Olivier, Jérémy (Producer, composer, and DJ)
- Olivier, Samuel
- Olivor, Jane
- Olivver the Kid
- Olivyah
- Ollabelle
- Ollano
- Ollella
- Ollero, Jay
- Ollie (Finnish singer‐songwriter Olli‐Matti Kalliosaari)
- Ollie (Canadian rapper)
- Ollie & Jerry
- Ollie Dixon
- Ollie feat. CHRIS YONGE
- Ollie feat. Rosanio, Annamarie
- Ollie feat. SONNY
- Ollie feat. Stewart, Kolton
- Ollie joe
- Ollie Joseph
- Ollie MN
- Ollie, Peppermint
- Olliver, Julia
- Olly Anna
- Olly Molly
- Olly, Mango, Angelina & JVLI
- Olmeca
- Olmerová, Eva
- Ölmez, Orhan
- Olmos
- Olmos, Walter
- OLMS
- Olms, The
- Olney, David
- OLNL (korean rapper)
- Olodum
- Olof Wallberg
- Olomana
- Olomidé, Koffi
- Olomidé, Koffi & Quartier Latin
- Olomidé, Koffi feat. Gawlo, Coumba
- Olotila
- Olrait's, The
