- O
- oO
- OO
- OO
- OOak
- OakObe
- ObeObl
- OBL
- OcaOce
- OceOct
- OctOda
- ODAode
- OdeOdi
- Oes
- OesOff
- offOff
- OffOgr
- OgrOh
- OhOi
- OiOjo
- OjoOke
- OkeOl
- OlOld
- OldOld
- OldOli
- OliOli
- OliOll
- OllOlv
- OlyOma
- OmaOmi
- OmiOmu
- OMYOnC
- OndOne
- OneOne
- OneOne
- OneONL
- ONLono
- OnoOok
- OokOpe
- OpeOph
- OphOQu
- OquORA
- OraOrb
- OrbOrc
- OrcOre
- OreOri
- OriOri
- OriOrl
- OrlOro
- OroOrq
- OrqOrt
- OrtOsa
- OsaOsc
- OscOsk
- OSKOst
- OstOte
- OteOtr
- OtrOtt
- OttOur
- OurOut
- OutOut
- OutOut
- OutOve
- OveOve
- OveOwe
- Owe
- OwnOXZ
- OyOzo
- Ozoozz
- Osada Vida
- Osadebe, Stephen Osita, Chief
- Osaen
- Osage Tribe
- Osaka Flu
- Osaka Monaurail
- Osaka Popstar
- Osaka Punch (Australian rock band, formerly The Kidney Thieves)
- Osaka Syunkasyuto
- Osaki (jazz hop)
- Osaki & Tibeauthetraveler
- Osaki ft. Sleepermane
- Osaki, Nana starring Nakashima, Mika
- Osama GBS
- OsamaSon (underground artist)
- OsamaSon feat. Che
- Osanna
- Osanzi
- Osasioo (Canadian RnB Artist)
- Osatia
- Osawa, Shinichi
- Osay (American rapper, singer-songwriter)
- Osaze feat. Veda, Jaidene
- Osborn, Abigail
- Osborne Brothers, The
- Osborne Brothers, The & Allen, Harley "Red"
- Osborne Brothers, The & Wiseman, Mac
- Osborne, Anders (US singer-songwriter)
- Osborne, Bertín
- Osborne, Bobby
- Osborne, David (Classical/covers pianist)
- Osborne, Dean
- Osborne, Jeffrey
- Osborne, Jeffrey feat. Braun, Rick
- Osborne, Jeffrey feat. Washington, Kamasi
- Osborne, Joan
- Osborne, Joan feat. Pavarotti, Luciano & East London Gospel Choir
- Osborne, Kent (Punk rapper)
- Osborne, Kent & ZAND
- Osborne, Lee feat. Emery, Roxanne
- Osborne, Sonny
- Osborne, Steven (pianist)
- Osborne, Tony
- Osbourne, Johnny (Jamaican reggae singer)
- Osbourne, Johnny & Sensations, The
- Osbourne, Johnny meets Roots Radics
- Osbourne, Johnny Meets Roots Radics
- Osbourne, Kelly
- Osbourne, Ozzy
- Osbourne, Ozzy & Osbourne, Kelly
- Osbourne, Ozzy & Rhoads, Randy
- Osbourne, Ozzy feat. Beck, Jeff
- Osbourne, Ozzy feat. Clapton, Eric
- Osbourne, Ozzy feat. Iommi, Tony
- Osbourne, Ozzy feat. Iommi, Tony & Wu‐Tang Clan
- Osbourne, Ozzy feat. John, Elton
- Osbourne, Ozzy feat. McCready, Mike
- Osbourne, Ozzy feat. Osbourne, Kelly
- Osbourne, Ozzy feat. Post Malone
- Osbourne, Ozzy feat. Primus
- Osbourne, Ozzy feat. Rhoads, Randy
- Osbourne, Ozzy feat. Was (Not Was)
- Osbourne, Ozzy feat. Wylde, Zakk
- Osbourne, Ozzy feat. Zappa, Dweezil
- Osbourne, Ozzy w/Therapy?
- Osbourne, Ozzy with Crystal Method, The, DMX, Ol’ Dirty Bastard & Fuzzbubble
- Osbourne, Ozzy with Iommi, Tony & Wu‐Tang Clan
- Osbourne, Ozzy with Osbourne, Kelly
- Osbourne, Ozzy with Rhoads, Randy
- Osbourne, Ozzy with Therapy?
- Osbourne, Ozzy with Zappa, Dweezil
- Osbournes, The
- OSBS (US rapper)
- Osby, Greg (American jazz saxophonist)
- OSC (UK DJ/producer Damon Baxter)
- Osca
- Osca (Zak, Jesse, Joe, Tom - of Wednesbury)
- Oscar (UK musician Paul Nicholas)
- Oscar (romanian rapper)
- Oscar (early 90s group)
- Oscar (Paul Oscar Beuselinck)
- Oscar + Martin
- Oscar and the Karma
- Oscar and the Wolf
- Oscar Basza
- Oscar Blesson (Norwegian Rapper)
- Oscar Blesson & Amara
- Oscar Blesson & Benyoub, Jonas
- Oscar de Fontana
- Oscar de la Hoya
