| Willow City, ND (City) |
| Willow Creek, ND (Township) |
| Willow Creek, SD (Township) |
| Willow Creek Community Development District, FL (CDD) |
| Willow Creek Township, IL (Township) |
| Willow Hill, IL (Village) |
| Willow Hill Township, IL (Township) |
| Willow Lake, MN (Township) |
| Willow Lake, SD (City) |
| Willow Lake, SD (Township) |
| Willow Lake, ND (Township) |
| Willow Park, TX (City) |
| Willow River, MN (City) |
| Willow Springs, IL (Village) |
| Willow Springs, MO (City) |
