- 1 欧阳菲菲
- 2 OOHYO
- 3 OoOo
- 4 OSTER project
- 5 OLIVIA
- 6 Oranje.
- 7 OH!nle
- 8 Oran-G
- 9 Ora
- 10 ONE
- 11 OKI
- 12 Only You
- 13 OVCOCO (오브코코)
- 14 Odd Time
- 15 okogeeechann
- 16 OHNEW
- 17 Osanzi
- 18 oiko
- 19 onsu
- 20 Obze (오브제)
- 21 OA
- 22 OPENN (오픈)
- 23 欧若拉
- 24 onthedal
- 25 On1ynn_
- 26 Oo
- 27 OUL (오울)
- 28 ODD-CAT (오드캣)
- 29 Okayuka
- 30 Offing (오핑)