- O and J Colonia
- O'Brien
- O'Canas Family Colonia
- O'Donnell
- O'Donnell Place
- O'Farrell
- O'Farrell Acres Number 1 Colonia
- O'Farrell Acres Number 2 Colonia
- O'Quinn
- Oak Brook West
- Oak Cliff
- Oak Cliff Acres
- Oak Cliff Place
- Oak Colonia
- Oak Creek Village
- Oak Flat
- Oak Flat
- Oak Flats
- Oak Forest
- Oak Forest
- Oak Glen Place
- Oak Grove
- Oak Grove
- Oak Grove
- Oak Grove
- Oak Grove
- Oak Grove
- Oak Grove
- Oak Grove
- Oak Harbor