- Roscoe
- Ross
- Radar Base
- Ralls
- Ranchette Estates
- Ranchitos Las Lomas
- Rancho Alegre
- Rancho Banquete
- Rancho Chico
- Rancho Viejo
- Ranchos Penitas West
- Rangerville
- Ransom Canyon
- Ratamosa
- Raymondville
- Realitos
- Red Lick
- Reid Hope King
- Reklaw
- Relampago
- Rendon
- Retreat
- Rhome
- Richardson
- Richland Hills
- Richland Springs
- Riesel
- Rio Grande City
- Rising Star
- River Oaks