- 1 Orange Range
- 2 Oah!
- 3 OGRE YOU A**HOLE
- 4 ON/OFF
- 5 OuiOui
- 6 ONE N' ONLY
- 7 Orange Spiny Crab
- 8 ONEWE
- 9 ONEGRAM
- 10 OH MY GIRL
- 11 ONE OR EIGHT
- 12 ONE PACT
- 13 ONIGAWARA
- 14 ONE LOVE ONE HEART
- 15 Official髭男dism
- 16 OCTPATH
- 17 ONE OK ROCK
- 18 ONIONRING
- 19 One Off Them
- 20 Old English Sheepdog
- 21 Omoinotake
- 22 OWV
- 23 ocean in the eyes
- 24 ONEUS
- 25 OUTLAWSPACE
- 26 Orange Fang Fang Boys
- 27 ONF
- 28 ODD EYE
- 29 OUR AGE
- 30 odol