Band or Artist with O
- one direction
- Oasis
- Olivia Rodrigo
- Ozzy Osbourne
- Outkast
- One Republic
- Owl City
- Offspring
- Olly Murs
- Olivia Newton John
- Opeth
- Ozuna
- Omarion
- oliver tree
- Ozzy
- onerepublic
- OAR
- Oh Wonder
- Of Monsters and Men
- Offset
- Otis Redding
- Ollie Murs
- OMD
- of mice and men
- ok go
- O-Zone
- ozzy osborne
- Oh my girl
- Outcast
- Old Dominion
- One OK Rock
- oneus
- Ozone
- Odesza
- Omar Apollo
- Ozzy Ozbourne
- Oak Ridge Boys
- Ocean
- Ozzy Osborn
- Orion
- Omi
- Owl city
- Oingo Boingo
- Our Last Night
- Orelsan
- Omen
- Onyx
- Orange Caramel
- orange and lemons
- olivia holt
- Omega
- Ojays
- Oscar Wilde
- Orville Peck
- Ohio Players
- Omar
- O'Jays
- Otep
- Ozzie Osbourne
- Old Crow Medicine Show
- Orange Juice
- Odd Future
- O.A.R
- our lady peace
- oscar de leon
- Osmonds
- Overkill
- Othello
- Otis Reading
- ONF
- Orson
- Olivia Newton-John
- Oleander
- Osiris
- Oomph!
- Opus
- ozzie osborne
- Octavian
- ono
- otto
- Orlando
- Orla Gartland
- Opal
- OV7
- Outfield
- Otown
- oli london
- olivia
- Overtones
- oli
- Ozzy Osburne
- ol dirty bastard
- orange and lemon
- oliver sykes
- Oscar Peterson
- Ozzy Osbourn
- Olaf
- Oprah Winfrey
- Olly
- olivia o'brien
The words in the list Band or Artist with O come from players of the word game Categories game.