- Salmon Colonia
- Salona
- Salt Flat
- Salt Gap
- Salt Island
- Salter
- Saltillo
- Saltlick Mill
- Salty
- Sam Fordyce
- Sam Houston
- Sam Rayburn
- Samaria
- Sammy Martinez Colonia
- Samnorwood
- Sample
- San Agustin Colonia
- San Angelo
- San Angelo Junction
- San Antonio
- San Antonio Prairie
- San Antonio Viejo
- San Augustine
- San Benito
- San Carlos
- San Carlos
- San Carlos Acres Colonia
- San Carlos Farms Colonia
- San Carlos II
- San Carlos Number 1 Colonia