| Mount Lebanon Township, PA (Township) |
| Mount Leonard, MO (Town) |
| Mount Moriah, MO (Town) |
| Mount Morris, MI (City) |
| Mount Morris, NY (Village) |
| Mount Morris, NY (Town) |
| Mount Morris, MN (Township) |
| Mount Morris, IL (Village) |
| Mount Morris Town, WI (Town) |
| Mount Morris Township, MI (Township) |
| Mount Morris Township, IL (Township) |
| Mount Olive, IL (City) |
| Mount Olive, NC (Town) |
| Mount Olive, MS (Town) |
| Mount Olive Township, IL (Township) |
