- Others
- Outlet mall
- Organic shop
- Optician
- Optometrist
- Organic food store
- Organic farm
- Office space rental agency
- Outerwear store
- Office supply store
- Outdoor sports store
- Outdoor furniture store
- Outlet store
- Office furniture store
- Orchard
- Outdoor swimming pool
- Observation deck
- Oil change service
- Outdoor clothing and equipment shop
- Obstetrician-gynecologist