- Ocala Thoroughbred Acres
- Ocala Waterway
- Occident
- Ocean Aire Estates Mobile Home Park
- Ocean Breeze Park
- Ocean City
- Ocean Harbor
- Ocean Reef Club
- Ocean Ridge
- Ocean View Heights
- Ocean Vue
- Ocean Waterway Mobile Home Park
- Oceanside Village
- Oceanway
- Oceanway Village Mobile Home Park
- Ocheesee
- Ocheesee Gardens
- Ocheesee Landing
- Ochlockonee
- Ochopee
- Ocklawaha
- Ocoee
- Octahatchee
- Odena
- Odessa
- Odessa Woods
- Odulund Island
- Ohio Key
- Ojus
- Okahumpka