- Sabetha
- Saint Francis
- Saint George
- Saint John
- Saint Marys
- Saint Marys
- Saint Paul
- Salina
- Satanta
- Savonburg
- Sawyer
- Scammon
- Scandia
- Schoenchen
- Scott City
- Scottsville
- Scranton
- Sedan
- Sedgwick
- Selden
- Seneca
- Severance
- Severy
- Seward
- Sharon
- Sharon Springs
- Shawnee
- Silver Lake
- Simpson
- Smith Center
- Smolan
- Soldier
- Solomon
- South Haven
- South Hutchinson
- Spearville
- Speed
- Spivey
- Spring Hill
- Stafford
- Stark
- Sterling
- Stockton
- Strong City
- Sublette
- Summerfield
- Sun City
- Susank
- Sylvan Grove
- Sylvia
- Syracuse
