S
- Sylamore
- Saint Paul
- (Union County) Smith
- (Arkansas County) South Stuttgart
- (DeKalb County) Saddle
- (Franklin County) Saginaw
- (Stone County) Saint James
- (Clay County) Saint Matthews
- (Limestone County) Saint Scholastica
- (Marion County) Saint Thomas
- (Cleburne County) Saint Vincent
- (Morgan County) Salem
- (Pike County) Salem
- (Clarke County) Saline
- (Dale County) Saltillo
- (Houston County) Samples
- (Saint Clair County) Sand Gap
- (Shelby County) Sand Hill
- (Limestone County) Sand Ridge
- (Monroe County) Sanders
- (Choctaw County) Sandiff
- (Greene County) Sandtown
- (Coffee County) Sandy
- (Union County) Sandy Bend
- (Union County) Sandy Land
- (Marion County) Sans Souci
- (Lawrence County) Sarassa
- (Tuscaloosa County) Sardis
- (Perry County) Satuma
- (Marshall County) Saulsburg