- O
- OO
- OO
- OO
- OOaf
- OAFOaK
- OakOBE
- ObeObn
- OBO
- Oce
- OceOCS
- OCTOct
- OctOdd
- OddODE
- ODEOdo
- OdoOf
- OfOff
- OffOff
- OffOgr
- OgrOh
- ohOHM
- OHNOiz
- OizOka
- OkaOkl
- OklOla
- OlaOld
- OldOld
- OldOle
- OleOli
- OliOli
- OLIOls
- OlsOlz
- OmOma
- OmaOme
- OmeOmo
- Omo
- One
- OneOne
- ONEOne
- OneONE
- OneOnl
- OnlONR
- OnsOok
- OokOPE
- OpeOPF
- OPFopt
- OptOra
- OraOrb
- OrbOrc
- OrcOrc
- OrcOre
- OreOrg
- OrgOri
- OriOrk
- OrkOrn
- OrnOrq
- OrqOrr
- OrrOrt
- OrtOsb
- OsbOsc
- OscOsl
- OslOst
- OstOte
- OteOto
- OtoOtt
- OttOub
- OubOur
- OurOut
- OutOut
- OutOut
- OutOve
- OveOve
- OveOwe
- OweOwl
- OwlOxo
- OxoOzc
- OzcOzu
- Ozuozz
- 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. Warwick, Dionne
- Osborne, Jeffrey feat. Washington, Kamasi
- Osborne, Joan
- Osborne, Joan feat. Helm, Amy, Greene, Jackie & Randolph, Robert
- Osborne, Joan feat. Pavarotti, Luciano & East London Gospel Choir
- Osborne, Kent (Punk rapper)
- Osborne, Kent & ZAND
- Osborne, Lee & Emery, Roxanne
- 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. 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 Infectious Grooves
- Osbourne, Ozzy with Osbourne, Kelly
- Osbourne, Ozzy with Rhoads, Randy
- Osbourne, Ozzy with Therapy?
- Osbourne, Ozzy with Zappa, Dweezil
- Osbournes, The
- Osby, Greg (American jazz saxophonist)
- OSC (UK DJ/producer Damon Baxter)
- Osca
- Osca (Zak, Jesse, Joe, Tom - of Wednesbury)
- Oscar (David Hachour & Florent Sabaton; house music)
- 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
- Oscar Dunbar
- Oscar G.
- Oscar G. and Falcon, Ralph
- Oscar G. featuring Michel, Marck
- Oscar Hammerstein II and Richard Rodgers
- Oscar Hamod & The Majestics (60s rock band)
- Oscar Harris & The Twinkle Stars
- Oscar Jerome
- Oscar Jerome & Armon‐Jones, Joe
- Oscar Jerome feat. Akinnibi, Kaidi
- Oscar Jerome feat. MAURICE, Ms
- Oscar Jerome ft. La Havas, Lianne
- Oscar les vacances
- Óscar Lobete (Pianista)
- Oscar Lolang
- Oscar Lukas (Singer-songwriter)
- Oscar Medina
- Oscar Peterson (Oscar Peterson)
- Oscar the Grouch (Sesame Street muppet)
- Oscar The Wild (Adelaide indie-pop band)
- Oscar, Alexander
- Oscar, Brad