- Seafield
- Searcy Crossroads
- Sebastian Island
- Sedalia
- Sedan
- Sedley
- Seelyville
- Self Island
- Sellersburg
- Selma
- Selvin
- Servia
- Sevastopol
- Seven Springs
- Sevenmile Island
- Sexton
- Seyberts
- Seymor
- Seymour
- Sha-Get Acres
- Shadeland
- Shadeland
- Shady Banks
- Shady Hills
- Shady Lane
- Shady Lawn
- Shady Nook
- Shady Side
- Shadyside Mobile Home Court
- Shag Island