- Searight
- Searles
- Seasha
- Section
- Seddon
- Sedge Grass Island (historical)
- Sedgefield
- Sedgefield
- Sehoya
- Self Creek
- Selfville
- Sellers
- Sellers Crossroads
- Sellersville
- Selmont
- Selmont-West Selmont
- Seloca
- Seman
- Seminole
- Seminole Heights
- Semmes
- Semmes Mobile Home Park
- Serange
- Sessions
- Seven Hills
- Seven Hills Mobile Home Park
- Seven Pines
- Sevenmile Island
- Sewell
- Seymour