| Mill Shoals Township, IL (Township) |
| Mill Spring, MO (Village) |
| Mill Township, OH (Township) |
| Mill Valley, CA (City) |
| Mill Village, PA (Borough) |
| Milladore Town, WI (Town) |
| Milladore Village, WI (Village) |
| Millard, MO (Village) |
| Millard County, UT (County) |
| Millboro, SD (Township) |
| Millbourne, PA (Borough) |
| Millbrae, CA (City) |
| Millbrook, KS (Township) |
| Millbrook, NY (Village) |
| Millbrook, AL (City) |
