- Ranchitos los Centenarios Colonia
- Ranchitos los Fresnos Colonia
- Ranchitos los Mesquites Colonia
- Ranchitos los Nopalitos Colonia
- Ranchitos los Veteranos Colonia
- Ranchos Penitas West Colonia
- Regency Village Colonia
- Rio Bravo Annex Colonia
- Rio Bravo Colonia
- Rodriguez Addition Colonia
- Round Mott
- Ramsdell
- Ritchie
- Rock Creek
- Rogers Hill
- Rosenthal
- Rocky Hill
- Rock Crossing
- Realitos Colonia
- Reyes
- Rock Island
- Rock Springs
- Ranchette Estates Colonia
- Raymondville Tract Number 1 Colonia
- Rices Crossing
- Russell Crossing
- Ridout
- Rattlesnake Island
- Rickels
- Ridings