- Owens
- O'Neal
- Oak Creek
- Oak Crest
- Oak Hollow
- Oak View
- Old Mill Estates
- Orchard Acres
- Orchard Park
- Overbrook
- Oxford Acres
- Oakey Bay
- Oatbed Island
- Ocean Drive Beach
- Ocean Forest
- Ocean Lakes
- Ocean Pines
- Oceanside Village
- Old River Estates
- Owens
- Old House
- Oak Grove
- Oswego
- Oakland
- Oakhurst
- Ora
- Owings
- Oak Creek
- Oak Crest
- Oak Grove