- Odd Project
- Oh Hyun Ran
- Oliver Koletzki
- Olivia Lufkin
- One Track Mind
- Onmyouza
- Orjan Nilsen Feat. Tarah
- Os Mutantes
- OST Beck(Tanaka Koyuki ver.)
- OST На всю оставшуюся жизнь
- Owsley
- O CLONE
- Oceans Ate Alaska
- Odetta
- Of The Wand And The Moon
- Oğuzhan Koç
- Old Crow Medicine Show
- Oliver Dragojevic
- Olympic Ayres
- Omar Anoke
- ONE PIECE
- One-Eyed Doll
- One-T Cool-T - Magic Key
- Opasnye Djs Feat. Profile
- Opensouls
- Orla Gartland
- Ornella Vanoni
- Oscar Brand
- OST Anastasia
- ost devdas
- Oversoul feat. Gram'ma Funk
- Owain Phyfe
- Ozzy Osborne
- Out Hud