- orange X
- ORAQLE
- Oratene
- ORB
- Orbi
- Orbic
- ORBIS BRIGHT
- ORBIS Mr.
- ORBIS U.
- orbitkey
- ORCA BATTERY
- ORCHID
- ORDINA
- Oregon(ビタクラフト)
- Oregonian Camper
- Oregonian Camping Style
- OreIda
- ORGA AIRSOFT
- Orga Life
- Organic
- ORGANIC GARDEN
- ORICE
- oriental berry
- ORIGAMI
- Origin(BABY-G)
- ORIGINAL BASIC
- Original Penguin
- ORIGINAL WAYFARER
- ORIGINAL(DANG SHADES)
- ORIGINALS
- ORIJEN
- Oriolus
- ORION(JIMMY CHOO)
- ORION(画材、アート用品)
- ORIVETI
- ORLANE
- ORLIMAR
- ORNATA
- ORNE
- ORNE