- O
- OO
- OO
- OOak
- OakObi
- ObiObt
- ObtOce
- OceOct
- OctOdd
- OddODM
- ODOOf
- OfOfn
- OfnOh
- OhOhm
- OhmOK
- OKOkm
- OKOOla
- OlaOld
- OldOli
- OliOll
- OllOly
- OlyOME
- OmeOMP
- OmpOnD
- OneONE
- ONEOne
- OneOnl
- OnlOOJ
- OojOpe
- OpeOpp
- OppOra
- OraOrc
- OrcOre
- OreOri
- OriOri
- OriOrp
- OrpOrs
- OrtOsa
- OsaOse
- OshOss
- OssOth
- OthOtt
- OttOur
- OurOut
- OutOut
- OutOve
- OveOvi
- OviOwl
- OwlOxy
- OyOzu
- OzuOZZ
- Oddprophet
- Odds (Canadian rock band)
- Odds Against Tomorrow (Portland OR band)
- Oddy Jay (S9:87R)
- Oddział Zamknięty
- ODE (Finnish rap artist)
- Odee-loh
- Odell Julie (Indie rock artist from New Orleans, LA)
- Odell, Tom
- Odell, Tom feat. Merton, Alice
- Oden & Fatzo
- Oden, Bryant
- Oden, Loren
- Oden, Robert
- Oden, St. Louis Jimmy (blues singer and songwriter)
- Odense Assholes
- Odéon (Israeli jazz band)
- ODEONS
- Oder? (Argentinian Indie Rock Band)
- Odes of Ecstasy
- Odessa (UK Metalcore)
- Odessa (southern Californian folk singer Odessa Rose Jorgensen)
- Odessa (80's french coldwave)
- Odessa (Swedish Melodic Hard Rock)
- Odessa (released Odessa in 2015)
- Odessi
- ODESZA
- ODESZA feat. Arnalds, Ólafur
- ODESZA feat. Barwick, Julianna
- ODESZA feat. Bizu, Izzy
- ODESZA feat. Bridges, Leon
- ODESZA feat. Bulkin, Kelsey
- ODESZA feat. Chamanas, The
- ODESZA feat. Claud
- ODESZA feat. Houston, Charlie
- ODESZA feat. Knocks, The
- ODESZA feat. Låpsley
- ODESZA feat. LaVette, Bettye
- ODESZA feat. Little Dragon
- ODESZA feat. Mansionair & Wild, Naomi
- ODESZA feat. Marela, Briana
- ODESZA feat. MARO
- ODESZA feat. Monsoonsiren
- ODESZA feat. Potts, Jenni
- ODESZA feat. Py
- ODESZA feat. Rory Wynne & Mansionair
- ODESZA feat. Rory Wynne + Mansionair
- ODESZA feat. RY X
- ODESZA feat. Shy Girls
- ODESZA feat. Sloan, Sasha Alex
- ODESZA feat. Spektor, Regina
- ODESZA feat. Sudan Archives
- ODESZA feat. Wild, Naomi
- ODESZA feat. Zyra
- Odetari
- Odett (Hungarian singer–songwriter)
- Odetta (American singer Odetta Holmes)
- Odette (Australian)
- Odette & Hermitude
- Odette feat. Ray, Gretta
- Odeurs
- Odeville
- Odezenne (French hip-hop band)
- Odhinn
- Odi (ska from Valencia)
- Odia, Harrison
- ODIE (bay area crooner born in Canada to Nigerian parents)
- Odie Leigh (Folk Singer)
- Odin KBR (American singer-songwriter and guitarist)
- Odina
- OdinO
- Odins Anglar
- Odio a Botero
- Odio París
- Odio, Las (Postpunk quartet from Madrid, Spain)
- Odious Construct, The
- Odious Mortem (US death metal)
- Odious, The
- ODIØ (Paraguay)
- Odis (Odis - 2008)
- Odisea
- Odisea Burbujas
- Odiseo (Progressive psychedelic trance project from Mexico City, Mexico)
- Odisseo (Mexican rock band)
- Odium (Canadian Melodic Death Metal Group)
- Odium (Dutch hardcore duo)
- Ödland
- ODM (US rapper)
- Odman, Ferit
- ODMGDIA