Groups & Artists – O
Groups & Artists: O-Town - Orton
- O-Town
- O'Brien, Richard
- O'Brien, Tim
- O'Connell, Finneas
- O'Connor, Cavan
- O'Connor, Hazel
- O'Connor, Mark
- O'Connor, Sinead
- O'Day, Anita
- O'Donnell, Daniel
- O'Donoghue, Danny
- O'Hagan, Jack
- O'Hara, Frank
- O'Jays
- O'Keefe, Johnny
- O'Keefe, Laurence
- O'Neill, John
- O'Reilly, John
- O'Sullivan, Gilbert
- Oak Ridge Boys
- Oakeley, Frederick
- Oakey, Philip
- Oaks, Mighty
- Oasis
- Oates, John
- Obel, Agnes
- Oberst, Conor
- Obispo, Pascal
- OBK
- Occhipinti, Tom
- Ocean Colour Scene
- Ocean, Billy
- Ocean, Frank
- Ochaita, Valero And Solano
- Ocheltree, Jeff
- Ochs, Phil
- Odell, Tom
- Odrich, Ron
- Odyssey
- Oerding, Johannes
- Of Monsters And Men
- Offer, Charles
- Offspring, The
- Ogdon, John
- Oh Wonder
- Ohio Players
- Oimara
- Oingo Boingo
- OK Go
- Okechukwu, Innocent
- Oland, Pamela Phillips
- Olatunji, Babatunde
- Old Crow Medicine Show
- Old Dominion
- Oldfield, Mike
- Oliver, Joe "King"
- Olivier, Gilles
- Olly The Enemy
- Olsen, Jens Skou
- OMC
- OMI
- Onderet, Maurice
- One Direction
- One Republic
- OneRepublic
- Onions, Oliver
- Ono, Yoko
- Opera Babes
- Opeth
- Ora, Rita
- Orange Blue
- Orange, Jason
- Orbison, Roy
- Orchestral Manoeuvres in the Dark
- Oregon
- Oreja de Van Gogh, La
- Organ, The
- Orrico, Stacie
- Orson
- Orton, Beth
Groups & Artists: Ory - Oxford Waits
- Ory, Kid
- Orzabal, Roland
- Osborne Brothers, The
- Osborne, Gary
- Osborne, Jeffrey
- Osborne, Joan
- Osbourne, Kelly
- Osbourne, Ozzy
- Osibisa
- Osmond, Donny
- Osmond, Jimmy
- Osmond, Marie
- Osunlade
- Otis, Johnny
- Otis, Shuggie
- Otonkoski, Lauri
- Ott, Kerstin
- Otwell, Margaret
- Our Gang
- Our Lady Peace
- Outfield, The
- Outkast
- Outlaws
- Ovaltineys, The
- Owen, Jake
- Owen, Mark
- Owens Harry
- Owens-Collins, Jamie
- Owens, Buck
- Owens, Carol
- Owens, Ginny
- Owl City
- Oxford Waits
