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