- 1 OddKid虫牙
- 2 Owsey
- 3 Odense Symfoniorkester
- 4 oxygen
- 5 Oneness Of Juju
- 6 Ouzo Bazooka
- 7 OISHII
- 8 Ogryzek
- 9 ONIMXRU
- 10 Odd Language
- 11 Osmosis Jones
- 12 Oscar Yuan
- 13 Ontonic
- 14 Oliver Green
- 15 Oskar
- 16 Ohana Bam
- 17 Ori Kaplan
- 18 Ozo
- 19 Odd Mob
- 20 Opia
- 21 Oğuzhan Koç
- 22 Ol' Burger Beats
- 23 Observer
- 24 Ornament
- 25 Oryx
- 26 Omani
- 27 Of Norway
- 28 Olle Nyman
- 29 One Life
- 30 Oak