- Orchard Crest
- Orchard Terrace
- Overview
- Oakleigh
- Oakmont
- Oberlin
- Oberlin Gardens
- Old Colonial Village
- Oak Lane
- Oakmont
- Okehocking Hills
- Old Mill Pointe
- Owls Nest
- Orchard Beach
- Owens Corners
- Ogden
- Old Frame
- Oliphant Furnace
- Orient
- Outcrop
- Owensdale
- Oak Hills
- Orangeville
- Oakdale
- Oakland
- Oakwood
- Oneida
- Oxford
- Oakdale
- Oakland