| Siloam Springs, AR (City) |
| Silsbee, TX (City) |
| Silt, CO (Town) |
| Silver, MN (Township) |
| Silver Bay, MN (City) |
| Silver Bow County, MT (County) |
| Silver Brook, MN (Township) |
| Silver City, IA (City) |
| Silver City, NM (Town) |
| Silver City, MS (Town) |
| Silver Cliff, CO (Town) |
| Silver Cliff Town, WI (Town) |
| Silver Creek, SD (Township) |
| Silver Creek, NY (Village) |
| Silver Creek, MN (Township) |
