- O1shakes
- Okwei Odili
- Okajihamal
- Orange Buzzing Lights
- Orkus
- oshk
- 欧周才仁
- OJ Oli
- Omkar Lal
- Ozziii
- 歐佾杰OEJ
- Olivier Daviaud
- Og Gusz
- Odinodin
- Og Prince Jay
- Orange Sunshine
- Officialrackzz
- Oime
- Oskar Easterfield
- ONBONI
- 欧阳俊伟
- Oliver C Jensen
- Othermen
- Operator Roll
- Odeon
- Olof David Åhlén
- Oldis
- Oleg Marshev
- O.G.Hanus
- 偶尔想吃扇贝
- Open Mike Eagle
- Olneveda
- Organ!k
- Opium
- OverBrook
- Outta Office
- Okiba
- Olivia Grace
- Oluwafuture
- Otto Royal
- OneStepYaya
- OG Lil Pooh
- Obijan
- OhxRos
- Olivier Calmel
- OG.GEE
- Onno Loonstra
- Okey Sokay
- oun
- odenson
- Ohmna
- Once a Pawn
- Olivier Sulpice
- OMAO
- Orquestra Filarmônica Russa
- Oz Zagalo
- oofoe
- Osvaldo Ayala
- Of Tides
- OSKA
- Ozy Noyse
- Orchestra Frank Pourcel
- Onirik Dreamer
- OhPonyBoy
- ONE ARC DEGREE
- O-Sea-Nos
- Oppressive Descent
- Onome Akeni
- OHGEE
- Olga Virezoub
- Oakmoss
- OhGeesy
- Olivier Baumont
- Olga Nova
- One Sun
- Obsessiv f. Sophia May
- One Little Mistake
- Once I Cry
- Olivier Cohen
- Outspeaks Rank
- O.BA.O
- OH MY UNCLE
- One Mindz
- Ovanes Arakelyan
- Opas
- Ostava
- Ogguri
- Olivier Girardot
- OG KULLI
- OFELIA
