- OfJapan
- OsaFresh
- Olivia Tanjung
- Olympiakus
- Ozonethegod
- Ocd
- O.G Shinobi
- OnlyJelani
- Oneill B
- Orthy
- Omar Sterling
- Occults
- One More
- offkaktus
- Oriri
- ON1XX
- od1ous
- Oskar Schönning
- Overspace
- OmertaJ5
- Orquesta Chanatón
- Orlann Divo
- Oh Mama
- OG BURR
- Oybekshox
- 欧阳永亮
- Offspring Mysterious
- Okapi in Oslo
- Orchestre National de Jazz de Montreal
- Omar and the Howlers
- Orphan Train Project
- Odd Covers
- Oded Noy
- 偶@是限量版
- Otis Stacks
- Option H
- oct by Lars Goellnitz
- Orange Ade
- Orden y Mandato de San Miguel Arcangel
- OGPI
- Of Divinity
- 欧凯明
- Omega Jackz
- Ogre666
- Om Adella
- Omprakash abhinayak
- Omkara
- OM HINDU FOUNDATION
- ONLYD1CEMAGNET
- Osman Sajib
- One Act
- otcc draco
- One To Three
- Oluwableezy
- Ockami
- Oulahlou
- OLGANG
- Ozel
- Ohthagoat
- Oldřich Říha
- Organizacion Acapulco
- One Take One Hit
- Orphan Town
- Os Caipiras João
- Olu8
- OTD WildCard
- Otpetyye moshenniki
- Orquestra do Estado de Mato Grosso
- Open Pussy
- Orquesta La Identidad
- Oral Bee
- Original Recording Cast of Wannabes The Musical
- OVRGRWN
- Only1Jaxx
- Oliver Gawin
- Ofélia Alves
- Oliver Jenny
- Olga Dowbusch-Lubotsky
- Ogledala
- oxidative feat. Hariki
- Occupy Mars
- Oavette
- Omnipotent
- OJ Doesit
- Ofer Koren
- Ots Ccrruuzz
- Owen and the Ghosts
- OG FARI
- Omich
- One Shot Music Group Presents
