- Shannon Hills
- Sellers Store
- Shelbyville
- Sitka
- Stuart
- Sand Hill
- Screeton
- Siedenstricker
- Slovak
- Siloam Springs
- Smackover
- South Lead Hill
- Sparkman
- Springdale
- Stamps
- Stephens
- Saint James
- Smith Island
- Sulphur Rock
- Shady Grove
- Spring Valley
- Sylvan Hills
- Swifton
- Shannon
- Sharum
- Skaggs
- Stokes
- Stoney Point
- Supply
- Shannondale