| Kewanee Township, IL (Township) |
| Kewanna, IN (Town) |
| Kewaskum Town, WI (Town) |
| Kewaskum Village, WI (Village) |
| Kewaunee, WI (City) |
| Kewaunee County, WI (County) |
| Keweenaw County, MI (County) |
| Key Biscayne, FL (Village) |
| Key Colony Beach , FL (City) |
| Key Marco Community Development District, FL (CDD) |
| Key West, KS (Township) |
| Key West, FL (City) |
| Keya Paha County, NE (County) |
| Keyapaha, SD (Township) |
| Keyes, OK (Town) |
