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