Barrios de Alabama S
- Sand Ridge (11)
- Scenic Hill (2)
- Second Creek (1)
- Sheldon (3)
- Sherman Heights (5)
- Skyland Park (4)
- Skyland-McFarland (15)
- Smithfield (2)
- Smithfield Estates (2)
- South Auburn (40)
- South Central Huntsville (16)
- South Eastlake (50)
- South Hull (4)
- South Roebuck (4)
- South Woodlawn (2)
- Southside (11)
- Southwest Huntsville (36)
- Spring Lake (8)
- Spring Valley (2)
- Sun Valley (2)
- Sunnyvale (1)