- O
- OO
- OO
- OOak
- OakOb
- ObeObo
- OBOOce
- OceOch
- OchOct
- Odd
- OddODM
- ODOOf
- OfOff
- OFFOgr
- OgrOh
- OhOIR
- OirOKA
- OkaOku
- OkuOla
- OlaOld
- OldOli
- OliOli
- OliOls
- OlsOMA
- OmaOme
- OmeOmo
- OMPOnd
- One
- OneOne
- OneOni
- OniOno
- OnoOom
- OomOpe
- OpeOpp
- OppOra
- OraOrb
- OrbOrc
- OrcOrg
- OrgOri
- OriOrk
- OrkOrp
- OrpOrr
- OrrOrv
- OrvOsb
- OsbOsi
- OsiOst
- OstOth
- OthOtt
- OttOue
- OugOut
- OutOut
- OutOut
- OutOve
- OveOVR
- ovrOwl
- OwlOxx
- OxyOZR
- ozz
- Oddy Jay (S9:87R)
- Oddział Zamknięty
- ODE (Finnish rap artist)
- Odeal
- Odee-loh
- Odell Julie (Indie rock artist from New Orleans, LA)
- Odell, Tom
- Odell, Tom & Lost Frequencies
- Odell, Tom feat. Merton, Alice
- Oden & Fatzo
- Oden, Bryant
- Oden, Loren
- 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. Barwick, Julianna
- ODESZA feat. Bizu, Izzy
- ODESZA feat. Bridges, Leon
- ODESZA feat. Bulkin, Kelsey
- ODESZA feat. Chamanas, The
- ODESZA feat. Claud
- ODESZA feat. Grant, Madelyn
- ODESZA feat. Houston, Charlie
- ODESZA feat. Knocks, The
- ODESZA feat. Låpsley
- ODESZA feat. LaVette, Bettye
- ODESZA feat. Little Dragon
- ODESZA feat. Marela, Briana
- ODESZA feat. MARO
- ODESZA feat. Monsoonsiren
- ODESZA feat. Ólafur Arnalds
- 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)
- ODGProd feat. Brother Culture
- Odhinn
- Odi (ska from Valencia)
- Odia, Harrison
- ODIE (bay area crooner born in Canada to Nigerian parents)
- Odin KBR (American singer-songwriter and guitarist)
- Odina
- OdinO
- Odins Anglar
- Odio a Botero
- Odio París
- Odio, Las (Postpunk quartet from Madrid, Spain)
- Odious (symphonic black metal band from Egypt)
- Odious Construct, The
- Odious Mortem (US death metal)
- Odious, The
- ODIØ (Paraguay)
- Odis (Odis - 2008)
- Odis
- 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
