- 1 ObulKasim-Omar
- 2 OddKid虫牙
- 3 Owsey
- 4 Odense Symfoniorkester
- 5 Oscar Blue
- 6 Oskar Schuster
- 7 oxygen
- 8 Ochoa
- 9 Owen Campbell
- 10 Orwell
- 11 Orchestre National Bordeaux Aquitaine
- 12 Our Reflections
- 13 Osamu Fukuzawa
- 14 Ombre2Choc Nation
- 15 OSAD
- 16 Ottorino Respighi
- 17 Oh Wonder
- 18 Oasis
- 19 欧阳朗朗
- 20 OCB
- 21 Odetari
- 22 OZworld
- 23 Okis
- 24 Outsidr
- 25 Once Again
- 26 Orihusay
- 27 Outertone
- 28 Ourealgoat
- 29 Oliver Green
- 30 ODD陈思键