- 1 ONE OK ROCK
- 2 OH MY GIRL
- 3 Orange Caramel
- 4 ONF
- 5 Official髭男dism
- 6 ONEUS
- 7 ONEWE
- 8 OT
- 9 OMEGA X
- 10 OxT
- 11 ONE OR EIGHT
- 12 OnlyOneOf
- 13 Orange Range
- 14 ODD EYE CIRCLE
- 15 OCTPATH
- 16 Only this time
- 17 OKAMOTO'S
- 18 ON/OFF
- 19 Orange Pekoe
- 20 Oreskaband
- 21 OLDCODEX
- 22 ONE☆DRAFT
- 23 OFFROAD
- 24 ODD EYE
- 25 Oneway
- 26 OVER ACTION
- 27 OCEANLANE
- 28 One Piece
- 29 One Buck Tuner
- 30 ONEPERCENTRES