- Saint Louis
- Salem
- Salem
- Salina
- Sallisaw
- Sams Corner
- Sand Hill
- Sand Springs
- Sapulpa
- Sasakwa
- Savanna
- Sawyer
- Sayre
- Schulter
- Scraper
- Seiling
- Seminole
- Sentinel
- Sequoyah
- Shady Grove
- Shady Grove
- Shady Grove
- Shady Point
- Shamrock
- Sharon
- Shattuck
- Shawnee
- Shidler
- Short
- Silo
- Simms
- Skedee
- Skiatook
- Slaughterville
- Slick
- Smith Village
- Smithville
- Snake Creek
- Snyder
- Soper
- Sour John
- South Coffeyville
- Sparks
- Spaulding
- Spavinaw
- Spencer
- Sperry
- Spiro
- Sportsmen Acres
- Springer
- Sterling
- Stidham
- Stigler
- Stillwater
- Stilwell
- Stonewall
- Stoney Point
- Strang
- Stratford
- Stringtown
- Strong City
- Stroud
- Stuart
- Sugden
- Sulphur
- Summit
- Sweetwater
- Swink
- Sycamore
