- Oakwood
- Oakwood
- Oakwood
- Oakwood Forest
- Oakwood Mobile Home Park
- Oatlands
- Ocala
- Occoneechee Island (historical)
- Occoquan
- Occoquan Forest
- Occoquan River Hills
- Occupacia
- Ocean Park
- Ocean Pines Mobile Home Park
- Ocean View
- Oceana
- Oceanair
- Ocoonita
- Ocran
- Octagon
- Odd
- Odricks Corner
- Office Hall
- Offutt Village
- Ogburn
- Ogden Hills
- Oilville
- Old Bandana
- Old Banks
- Old Beach