Artists starting with O
- Oceano
- Oceans
- Oceans Ate Alaska
- Oceans divide
- Oceans of Slumber
- Oceans red
- Oceanship
- Oceansize
- Ocer y Rade
- OCG
- Ocho
- Ocho Drippin
- Ocie Elliot
- OCM WAVES
- OCS (Oh Sees)
- Octave
- Octave Minds
- Octavia
- Octavian
- OCTAVIO
- Octavio Mesa
- Octavio Paz
- October
- October Country
- October Project
- October Tide
- Octopizzo
- OD
- OD Kokemus
- ODA
- Odalys
- ODD EYE CIRCLE
- Odd Future
- ODD MAMI
- Odd Mob
- Odd Nordstoga
- Odd Nosdam
- Odd Squad
- Odd Squad Family
- Oddisee
- Oddish
- ODDLIQUOR
- Oddnesse
- ODDSAUL
- Oddyssi
- OddZoo
- Ode
- Odeal
- ODEE
- ODEE, nafla, OLNL
- Odense Assholes
- Odessa
- ODESZA
- Odetta
- Odetta Hartman
- Odette
- Odezenne
- ODIE
- Odin
- Odina
- Odisseo
- ODIUS // OKTB
- ODMGDIA
- Odney
- Odor
- ODS (Rapper)
- ODT
- Odunsi (The Engine)
- Odyssey
- Odyssey Eurobeat
- ODZ
- Oehl
- Oer
- Oesch’s die Dritten
- Of Machines
- Of Methodist
- Of Mice & Men
- Of Monsters and Men
- Of the Land
- Of The Wand & The Moon
- Of Verona
- Of Virtue
- OFB
- OFB (RV, Headie One, Kash, Tuggzy & Lowkey)
- Ofelia K
- Ofenbach
- Ofenbach & Nick Waterhouse
- Ofenbach & Portugal. The Man
- Off Bloom
- Off Book Cast
- Off Minor
- Off the Hook
- Off The Jump
- Off With Their Heads
- OFF!
- Offa Rex
- OFFAIAH
- Offbeat (Swing)
- OffBeat Records (GRC)
- Offenbach
- Offer Nissim - עופר ניסים
- Offica
- Official R
- Official Shottas
- OfficialBFree