| Seif Town, WI (Town) |
| Seiling, OK (City) |
| Seivert, ND (Township) |
| Selah, WA (City) |
| Selawik, AK (City) |
| Selby, SD (City) |
| Selby Township, IL (Township) |
| Selbyville, DE (Town) |
| Selden, KS (City) |
| Seldovia, AK (City) |
| Selfridge, ND (City) |
| Seligman, MO (City) |
| Selinsgrove, PA (Borough) |
| Sellers, SC (Town) |
| Sellersburg, IN (Town) |
