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