| Keyesport, IL (Village) |
| Keyport, NJ (Borough) |
| Keys Cove Community Development District, FL (CDD) |
| Keys Cove II Community Development District, FL (CDD) |
| Keys Edge Community Development District, FL (CDD) |
| Keyser, WV (City) |
| Keyser, IN (Township) |
| Keystone, ND (Township) |
| Keystone, KS (Township) |
| Keystone, WV (City) |
| Keystone, MN (Township) |
| Keystone, IA (City) |
| Keystone, SD (Town) |
| Keystone Heights , FL (City) |
| Keystone Town, WI (Town) |
