- 1 ONE OK ROCK
- 2 OH MY GIRL
- 3 Official髭男dism
- 4 ONEUS
- 5 ONEWE
- 6 ONE PACT
- 7 OxT
- 8 Orange Caramel
- 9 ODD YOUTH
- 10 ONF
- 11 Orange Range
- 12 Only this time
- 13 ONE LOVE ONE HEART
- 14 OMEGA X
- 15 OCTPATH
- 16 Omoinotake
- 17 OnlyOneOf
- 18 ONE OR EIGHT
- 19 offonoff
- 20 One Off Them
- 21 OH MY GIRL BANHANA
- 22 odol
- 23 OWV
- 24 Obroject
- 25 ODD EYE CIRCLE
- 26 ORESAMA
- 27 Oreskaband
- 28 OOM
- 29 ONE N' ONLY
- 30 OLDCODEX