O
- Okumura, Hatsune (official site)
- Oblivion Dust (official site)
- Olivia (official site)
- Ono, Lisa (official site)
- O-Zone (official site)
- Osawa, Shinichi (official site)
- Otsuka, Ai (official site)
- Overhead Champion
Read more about this topic: Avex Trax Artists