| Mullan, ID (City) |
| Mullen, NE (Village) |
| Mullen, NE (Township) |
| Mullen, SD (Township) |
| Mullens, WV (City) |
| Mullett Township, MI (Township) |
| Mullica Township, NJ (Township) |
| Mulligan, MN (Township) |
| Mulliken, MI (Village) |
| Mullin, TX (Town) |
| Mullins, SC (City) |
| Mullinville, KS (City) |
| Multnomah County, OR (County) |
| Mulvane, KS (City) |
| Munch, MN (Township) |
