- Others
- Outdoor bath
- Outdoor movie theater
- Off-road race track
- Outdoor sports store
- Office supply store
- Optician
- Ophthalmologist
- Optometrist
- Orthopedic surgeon
- Obstetrician-gynecologist
- Off roading area
- Occupational health service
- Orthodox synagogue
- Outdoor furniture store
- Open air museum
- Observation deck
- Orthopedic shoe store
- Orthotics & prosthetics service
- Office space rental agency