| Winthrop, WA (Town) |
| Winthrop, MN (City) |
| Winthrop, IA (City) |
| Winthrop Harbor, IL (Village) |
| Winton, MN (City) |
| Winton, NC (Town) |
| Wiota, IA (City) |
| Wiota, WI (Town) |
| Wiregrass Community Development District, FL (CDD) |
| Wirt, NY (Town) |
| Wirt, MN (Township) |
| Wirt County, WV (County) |
| Wiscasset, ME (Town) |
| Wisconsin, MN (Township) |
| Wisconsin, WI (State) |
