- 1 Orange Spiny Crab
- 2 ONEGRAM
- 3 ONE LOVE ONE HEART
- 4 orange flavored cigarettes
- 5 Orange Range
- 6 ONE N' ONLY
- 7 ODD YOUTH
- 8 Oeyeview
- 9 OWV
- 10 Omoinotake
- 11 off the menu
- 12 ONE OR EIGHT
- 13 ONE PACT
- 14 ONEWE
- 15 ONE OK ROCK
- 16 ONF
- 17 Object A
- 18 OnlyOneOf
- 19 ONIGAWARA
- 20 OKAMOTO'S
- 21 ONEUS
- 22 OFFERCITY
- 23 OCTPATH
- 24 oookay!!!
- 25 Official髭男dism
- 26 Orange Pekoe
- 27 Oah!
- 28 ONE OFF
- 29 OMEGA X
- 30 ONP