Arkansas
- Saffell
- Sage
- Saint Charles
- Saint Francis
- Saint Joe
- Saint Paul
- Salado
- Salem
- Saratoga
- Scotland
- Scott
- Scranton
- Searcy
- Sedgwick
- Sheridan
- Sherrill
- Sherwood
- Shirley
- Sidney
- Siloam Springs
- Sims
- Smackover
- Smithville
- Snow Lake
- Solgohachia
- Sparkman
- Springdale
- Springfield
- Stamps
- Star City
- State University
- Stephens
- Story
- Strawberry
- Strong
- Sturkie
- Stuttgart
- Subiaco
- Success
- Sulphur Rock
- Sulphur Springs
- Summers
- Summit
- Sweet Home
- Swifton