- Observation deck
- Outdoor sports store
- Outdoor clothing and equipment shop
- Office furniture store
- Office space rental agency
- Oil change service
- Outdoor bath
- Outlet store
- Orphanage
- Outlet mall
- Outdoor activity organiser
- Orchard
- Off roading area
- Osteopath
- Office equipment supplier
- Opera house
- Outdoor swimming pool
- Open air museum
- Occupational health service
- Outdoor furniture store