- O
- OO
- OO
- OO
- OO
- OOak
- OakObe
- ObeObl
- OblObs
- OBSOce
- OceOch
- OchOct
- OctOdd
- OddOde
- OdeOdi
- OdiOdy
- OdyOfe
- OfeOff
- OffOga
- OgaOh
- OhOha
- OhaOi
- OiOjo
- OjoOka
- OkaOku
- OkuOla
- OlaOld
- Oldold
- OldOle
- OleOli
- OliOli
- OLIOls
- OlsOM
- omOma
- OmaOme
- OmeOmn
- OmnOn
- OnOne
- OneOne
- OneOne
- OneOne
- OneONL
- ONLOno
- OnoOob
- OOcOP
- OpaOpe
- OpeOpp
- OppOr
- OrOra
- OraOrb
- OrbOrc
- OrcOrd
- OrdOrf
- OrfOri
- OriOri
- OriOrl
- OrlOro
- OroOrq
- OrqOrt
- OrtOrx
- OryOsb
- OsbOse
- OseOsm
- OsmOst
- OSTOte
- OteOto
- OtoOtt
- OttOu
- OuaOUR
- OurOut
- OutOut
- OutOut
- OutOve
- OveOve
- OveOvt
- OvvOwe
- OweOxh
- OxiOza
- OzaOzo
- OzoOZZ
- Or du Commun, L’ feat. Elvis, Roméo, Caballero, Zwangere Guy
- Or du Commun, L’ feat. Lous and the Yakuza
- Or Noir (French TV show)
- Or Sobre Blau (Andreu G. Serra [ Ubaldo ] and Kiran Leonard)
- Or-N-More
- Or, Rotem
- Or, Rotem
- Or, The Whale
- OR3O (fandom music producer/vocalist)
- OR3O & The Musical Ghost
- OR3O feat. Plexsy & Silva Hound
- Ora (Andrew Chalk & Darren Tate)
- Ora (late 1960s UK psychedelia)
- ORA (classical choir)
- ORA (Danish duo)
- Ora Mate
- Ora the Molecule
- Ora, Rita
- Ora, Rita & Limani, Yll
- Ora, Rita feat. Brown, Chris
- Ora, Rita feat. Cardi B, Rexha, Bebe & Charli xcx
- Ora, Rita feat. Cole, J.
- Ora, Rita feat. Fatboy Slim
- Ora, Rita feat. Michaels, Julia
- Ora, Rita feat. Tempah, Tinie
- Ora, Rita feat. will.i.am
- Ora, Rita x Guetta, David x Imanbek
- Ora, Rita x Guetta, David x Imanbek feat. Gunna
- Ora, Rita x Imanbek feat. Khea
- Orachi, Alec
- Oracle (Indonesian Thrash Metal band)
- Oracle (Heavy Metal band from Gibraltar)
- ORACLE & Fractures
- ORACLE & Holochrome
- Oracle Hands (German Sludge/Post-Metal band)
- Oracle Sisters (Band from Paris, France)
- Oracle Spectre (Deathcore from California)
- Oracles (indie psychedelic rock band from Berlin)
- Oraculum (US Progressive Metal/Shred band)
- Orage, L (from Italy)
- Orage, L’ (Swiss jazz ensemble from Geneva)
- Orai (Lithuanian post-punk band)
- Orakle
- Oral Bee (Norwegian rapper)
- Oral Bee & Da Playboy Foundation
- Oral Bee & Kholebeatz
- ORAL CIGARETTES, THE
- Oral Tunerz starring Whigfield
- Oral-B (hardcore)
- Oram, Tara
- Orang-Utan
- Orange (California punk band)
- Orange (US indie rock/shoegazer band)
- Orange (Dutch trance duo Martijn Cornelissen & Marcel Kaper)
- Orange (German world music/percussion band)
- Orange (Vietnamese singer)
- Orange 9mm
- Orange Alabaster Mushroom, The
- Orange and Lemons (Filipino pop rock band)
- Orange Animal
- Orange Avenue
- Orange Bicycle
- Orange Blossom
- Orange Blossom (group of voice actresses for Koe de Oshigoto, acting as the characters)
- Orange Blue (German pop duo)
- Orange Blue (Italian dance project)
- Orange Cake Mix
- Orange Caramel (After School sub‐unit)
- Orange Dog Club (Indie Garage Rock project led by Tim Turner)
- orange flavored cigarettes
- Orange Goblin (English heavy metal band)
- Orange Goodness, The (Groove-fueled indie rock)
- Orange Grove
- Orange Guava Passion (Soul/funk pop band based in Providence, Rhode Island.)
- Orange Island
- Orange Juice (Scottish post-punk band from 70s-80s)
- Orange Lights, The
- Orange Lounge
- Orange Ocean (Orange Ocean)
- Orange Orange
- Orange Park
- Orange Peels, The
- orange pekoe (real‐world J‐pop duo)
- Orange Port
- ORANGE RANGE
- ORANGE RANGE feat. GOD MAKING
- Orange Sector
- Orange Sector & DSTRTD SGNL
- Orange Sky (A rock band from the Caribbean Island of Trinidad and Tobago)
- Orange Skyline (Dutch rock band)
