- 1 Orange Range
- 2 Omoinotake
- 3 ONIGAWARA
- 4 Old English Sheepdog
- 5 ORSEAS
- 6 ONE PACT
- 7 One Off Them
- 8 ONE LOVE ONE HEART
- 9 OFFROAD
- 10 ONE N' ONLY
- 11 ONE OR EIGHT
- 12 Ovall
- 13 OCTPATH
- 14 OuiOui
- 15 ODD EYE
- 16 ONZ
- 17 Orange Spiny Crab
- 18 ONEGRAM
- 19 orange flavored cigarettes
- 20 ODD YOUTH
- 21 Oeyeview
- 22 OH MY GIRL
- 23 OWV
- 24 off the menu
- 25 ONEWE
- 26 ONE OK ROCK
- 27 ONF
- 28 Object A
- 29 OnlyOneOf
- 30 OKAMOTO'S