| Mount Auburn, IL (Village) |
| Mount Auburn Township, IL (Township) |
| Mount Ayr, IA (City) |
| Mount Ayr, IN (Town) |
| Mount Ayr, KS (Township) |
| Mount Blanchard, OH (Village) |
| Mount Calm, TX (Town) |
| Mount Calvary Village, WI (Village) |
| Mount Carbon, PA (Borough) |
| Mount Carmel, PA (Borough) |
| Mount Carmel, ND (Township) |
| Mount Carmel, IN (Town) |
| Mount Carmel, TN (Town) |
| Mount Carmel, IL (City) |
| Mount Carmel Township, PA (Township) |
