- O
- OO
- OO
- OO
- OOak
- OakOat
- OatObi
- ObiObs
- ObsOce
- OceOce
- OceOct
- OctOdd
- OddOde
- OdeODM
- OdmOer
- OerOff
- OffOff
- Offogo
- OGROh
- OhOhm
- OHMOja
- OjaOka
- OkaOkt
- OktOla
- OLAOld
- OldOle
- OleOli
- OliOli
- OliOll
- OllOLU
- OluOm
- OmOme
- OmeOmo
- OMOOna
- OOne
- OneOne
- OneOne
- oneOne
- ONFOnl
- Onl
- Oon
- OonOpe
- OpeOpi
- OpiOpu
- OpuOra
- OraOrb
- OrbOrc
- OrcOrd
- OrdOrg
- OrgOri
- OriOri
- OriOrm
- OrmOrp
- OrpOrr
- OrrOrt
- OrtOsb
- OsbOsc
- OscOsl
- Osl
- OstOte
- OTFOtr
- OTROtt
- OttOur
- ourOut
- OutOut
- OutOut
- OutOVE
- OVEove
- OveOVS
- OvtOWI
- OwiOxl
- OxlOzc
- OzcOzu
- Ozuozz
- Oliphant, Grassella Quartette
- Oliva (solo band of Jon Oliva)
- Oliva, Carlos
- Oliva, Jon, Pain
- Olivares, Fito
- Olivares, Fito y La Pura Sabrosura
- Olivares, Pablo (Argentine Christian music singer)
- Olivarez, David
- Olivas, Alfredo (Regional Mexican singer and musician)
- Olivatto, Sil
- Olive (UK dance/breakbeat/trip‐hop group)
- Olive (Indonesian jazz singer Olivia Latuputty)
- Olive (Los Angeles based visual and audio artist)
- Olive B
- Olive Drab
- Olive et moi
- Olive the boy
- Oliveira MC 011, DJ 7W & DJ MENOR NK
- Oliveira, Dalva de (Brazilian singer)
- Oliveira, Diego
- Oliveira, Diógenes L.
- Oliveira, Douglas and The Red Dogs
- Oliveira, Eliã (Brasil Gospel)
- Oliveira, Elmar (violinist)
- Oliveira, Gloria de
- Oliveira, Gloria de & Hurley, Dean
- Oliveira, Jacques
- Oliveira, Jair
- Oliveira, Jairzinho
- Oliveira, Judson
- Oliveira, Paula & Moreira, Bernardo
- Oliveira, Reese
- Oliveira, Reese, One Voice Children’s Choir, Mitch Bandley, Armanie Wright, Caldwell, Matthew, Kami Bromley, Macy Hanks, Isabel Oakeson, Sidnie Anderson, Meggie Sorensen & Mattea Denney
- Oliveira, Simone de (Portuguese singer and actress)
- Oliveira, Teago
- Olivencia, Tommy
- Olivencia, Tommy feat. González, Sammy
- Olivencia, Tommy feat. Guzmán, Paquito & Pérez, Simón
- Olivencia, Tommy feat. Pérez, Simón
- Olivencia, Tommy feat. Tricoche, Héctor
- Olivencia, Tommy y su Orquesta
- Olivencia, Tommy y su Orquesta
- Oliver (late 60s/early 70s US pop singer)
- Oliver (nu-disco electronic duo)
- Oliver (LA Music production/DJ duo)
- Oliver (Finnish band)
- Oliver (Argentinian punk rock band)
- Oliver $ & Jules, Jimi
- Oliver Boyd and the Remembralls
- Oliver Dragojević & Dalmatino
- Oliver Dragojević & Gibonni
- Oliver Dragojević & Goran Karan
- Oliver Dragojević & Kemal Monteno
- Oliver Dragojević & Oto Pestner
- Oliver Dragojević & Zorica Konđža
- Oliver Elf Army
- Oliver feat. Chromeo
- Oliver feat. De La Soul
- Oliver feat. Elohim
- Oliver feat. Else, Leon
- Oliver feat. MNDR
- Oliver feat. Sparro, Sam
- Oliver feat. Yelle
- Oliver Fox (Vaporwave arist)
- Oliver Future
- Oliver Hazard (Band)
- Oliver Henrich feat. Kloß, Stefanie & Catterfeld, Yvonne
- Oliver Hohlbrugger
- Oliver Houston
- Oliver Jones (Progressive Trance Group)
- Oliver Jones Trio (Jazz)
- Oliver Light
- Oliver Magnum
- Oliver Marson
- Oliver North Boy Choir (pop / electronica)
- Oliver Onions
- Oliver Onions & Spencer, Bud
- Oliver Pinder
- Oliver Riot
- Oliver Roberts, AISKA & Leite, Claudio Junior Sousa
- Oliver Sean
- Oliver Shanti & Friends
- Oliver Sullivan
- Oliver the Crow
- Oliver the Penguin
- Oliver, Chiara (Spanish singer)
- Oliver, Chiara & López, Pablo
- Oliver, Chiara & Martin
- Oliver, Chiara & VIOLETA
- Oliver, David (70s R&B/soul singer)
