Interpreten mit O
- Otto Waalkes
- Oasis
- Orhan Ölmez
- Olivia Newton-John
- One Piece
- Omd
- Ozzy Osbourne
- Özcan Deniz
- Oomph
- OneRepublic
- Oliver Dragojevic
- Opus
- Ougenweide
- Otis Redding
- Oli P.
- Opeth
- O-Zone
- Orishas
- Outkast
- O-Town
- Orhan Gencebay
- Overkill
- One Direction
- Oliver Kalkofe
- Olaf Henning
- Oswald Sattler
- Overground
- Orange Blue
- Osman Hadzic
- Olly Murs
- Oingo Boingo
- Otto Reutter
- Ohrbooten
- Original Alpenland Quintett
- Olli Schulz und der Hund Marie
- Omarion
- Our Lady Peace
- Oleta Adams
- Owl City
- Original Nielsen Brothers
- Outlandish
- Olexesh
- Of Monsters and Men
- Olaf Berger
- Ozan
- Otep
- Ocean Colour Scene
- Obituary
- Oliver Onions
- Oxymoron
- Obie Trice
- Olli Banjo
- Olivia
- Ornella Vanoni
- OBK
- Oma Hans
- Oliver Haidt
- Omnia
- Oliver Frank
- Ol' Dirty Bastard
- One Republic
- O.A.R. (Of A Revolution)
- Oxo 86
- OK Band
- OK Go
- One Man Army
- Oysterband
- Omega
- Oi-Melz
- ONE OK ROCK
- One Fine Day
- Onyx
- Over the Rhine
- Orgy
- Orange Goblin
- Oi Polloi
- Omc
- Odds
- Om Shanti Om
- Oceana
- O.A.R.
- Olsen Twins
- Oonagh
- OPM
- Operation Ivy
- Ömer Danis
- Ohio Express
- Original 4 Tiroler Buam
- Olja Karleusa
- Optimale Härte
- Ofra Haza
- Olsen Brothers
- Özlem Tekin
- Onslaught
- Oak Ridge Boys
- Oliver James
- Oleander
- Oguz Yilmaz
- Opera Ix
- Onur Akin