- 欧阳靖&Teesa
- Oh One演唱组
- ORS
- Oskoreien
- Orchard
- On!Air!Library!
- 欧霖
- Optimum Wound Profile
- Odesza
- Odenwrath
- Ocean
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- Oliver Wright
- Otmaro Ruíz
- Oskar Schoenning
- Otis Grand
- Only Crime
- Ophidian I
- Omit
- Our Last Night
- Oscar Toney, Jr.
- Opaque Lucidity
- Osiris
- Oh Yeah Band
- Onna
- Over The Rhine
- Olavi Uusivirta
- OH!hello
- 欧阳鹏oyp
- Omicron
- Occision
- Original Concept
- Ornaments of Agony
- Oddjobs
- OLNL
- Orestea
- Organized Noize
- Orgy
- Oblige
- Offertorium
- Out of Sight
- Ocean Machine
- Olivia Somerlyn
- One Voice Children's Choir
- Ozzy
- One Way Letter
- Okay City
- Odette Lara
- Oorchach
- Ourobiguous
- Obba Supa
- Or, The Whale
- Old Worlds
- Oskar Aichinger
- Outworld
- Orquesta Cubana De Musica Moderna
- Orange Then Blue
- Opakul Eed & Opakul Add
- ohsobrkn
- On Level
- Odin's Court
- Owen Pallett
- Operation Julmond
- Orquesta Guayacan
- Offwhyte
- Ornette Coleman & Prime Time
- Organized Resistance
- Olympic Swimmers
- Old Dead Tree
- Ozuna
- Orup
- Old & In the Way
- Oro Norteño
- Odious Sanction
- Omillio Sparks
- Orange Humble Band
- OK OK
- Opie Bellas
- Orion the Hunter
- Omega Crom
- Omar Baliw
- Ozoda Nursaidova
- Octurn
- Orly Chap
- One Hit Wonder
- Oranj Symphonette
- One Less Reason
- Olga Manzano y Manuel Picón
- Ojos De Brujo
