| Mount Prospect, IL (Village) |
| Mount Pulaski, IL (City) |
| Mount Pulaski Township, IL (Township) |
| Mount Rainier, MD (City) |
| Mount Rose, ND (Township) |
| Mount Shasta, CA (City) |
| Mount Sterling, IA (City) |
| Mount Sterling, IL (City) |
| Mount Sterling, OH (Village) |
| Mount Sterling, KY (City) |
| Mount Sterling Township, IL (Township) |
| Mount Sterling Village, WI (Village) |
| Mount Summit, IN (Town) |
| Mount Tabor, VT (Town) |
| Mount Union, PA (Borough) |
