- Osvaldo Fresedo
- One Sounder
- O'Lava
- Odio a Botero
- Om Prakash Diwana
- Omega Acolytes
- 欧小宝
- 哦吼
- Orso Black
- Olti
- O.S. Collective
- OMI、Riggi & Piros
- Oluwapopular
- Om New Talenta - Oplosan - All Artis
- Oggatron
- Omar Al Marzooqi
- Osama 300
- Oktawia Stan
- O.Bo
- Olimpus 9
- Onze
- 欧阳娜娜、夏日入侵企画
- OGBEEZLY
- Off Night
- OWV
- Osvaldo Espinoza
- OMG #33
- Oğuz Prod.
- Olavi Virta
- Obed Dinero
- Ogprxis
- Om og menn
- Oba The Great
- Otto Lindholm
- Odd Oswald
- OllieBear
- One Hour Massage
- Orquesta En El Tejado
- Ozzie Henry
- Ochi
- ONE SHOT MUSIC
- Oscar LaDell
- Opus Overtone
- Opium Sabbah
- Wiz Khalifa、欧阳娜娜
- Odt
- Offish
- Ototoxic
- Olli Sippola Experiment
- O-nyx
- 哦哦回老家了
- Oni Montana
- Orchestra Finale
- Ovtsxder
- Obryan
- OH
- Ombrelobo
- Oldskool Johnny
- Omni A.M.
- Ongko Yanmei
- Ownly Blood
- On1 Enterprise
- OK D'Poet
- Otentik
- OzLumiera
- 欧阳宇轩
- Owlogram
- O'Donel Levy
- OHCARTER
- OG Prana the G.M.S.E.
- o_Eo
- OblechenHui
- One Million Toys
- Odyssey One
- onlyitami!
- Os Ninivitas
- Otis Green
- Outspoken Bean
- One for Ghost
- Orchestre Lamoureux
- Optiq
- Oedipus Rex
- Olive T
- Olodum Mirim
- Opanastone
- Oke Reigns
- Omar Salas
- Oleksa Lozowchuk
- Offline
- Otis McDonald
