Barrios de Alabama S
- Sand Ridge (10)
- Sandusky (2)
- Scenic Hill (2)
- Second Creek (1)
- Sheldon (5)
- Sherman Heights (8)
- Skyland Park (6)
- Skyland-McFarland (16)
- Smithfield (2)
- Smithfield Estates (1)
- South Auburn (31)
- South Central Huntsville (14)
- South Eastlake (45)
- South Hull (9)
- South Roebuck (4)
- South Woodlawn (1)
- Southside (11)
- Southwest Huntsville (33)
- Spring Lake (18)
- Spring Valley (2)
- Sun Valley (1)