- Stockard
- Sumer Hill
- Saint Clair Acres Colonia
- Saint Claire Fisher Colonia
- Salas Colonia
- Salida del Sol Estates Colonia
- Salinas-Hinojosa Colonia
- Sam Fordyce
- San Carlos Acres Colonia
- San Carlos Farms Colonia
- San Juan East Colonia
- San Juan South Estates Colonia
- San Manuel
- Sanchez Ranch Colonia
- Sandy Ridge Colonia
- Santa Amalia Colonia
- Santa Cruz Estates Colonia
- Santa Cruz Orange Gardens Colonia
- Sauceda Colonia
- Schroeder Colonia
- Schuerbach Acres Colonia
- Schunior's Colonia
- Seminary Estates Colonia
- Seminary South Colonia
- Seminary Village Colonia
- Sendero Colonia
- Serendipity Way Colonia
- Seventh Street Addition Colonia
- Seville Park Number 1 Colonia
- SH 88-14 North-6 West Colonia