- Monett, Missouri
- Monmouth, Oregon
- Monroe, Georgia
- Monroe, Louisiana
- Monroe, North Carolina
- Mont Belvieu, Texas
- Mont-Tremblant, Quebec
- Montecito, California
- Monterey, California
- Montevallo, Alabama
- Montgomery, Alabama
- Montgomery, Ohio
- Montgomery, Texas
- Monticello, Indiana
- Monticello, New York
- Montreal, Quebec
- Montreat, North Carolina
- Moon Township, Pennsylvania
- Mooresville, Indiana
- Mooresville, North Carolina
- Moorhead, Minnesota
- Morgantown, West Virginia
- Morristown, Tennessee
- Morrisville, North Carolina
- Morro Bay, California
- Moseley, Georgia
- Mount Juliet, Tennessee
- Mount Kisco, New York
- Mount Pleasant, Michigan
- Mount Prospect, Illinois
- Mountain View, California
- Muncie, Indiana
- Mundelein, Illinois
- Munford, Tennessee
- Murchison, Texas
- Murfreesboro, Tennessee
- Murray, Kentucky
- Murray, Utah
- Murrells Inlet, South Carolina
- Muskogee, Oklahoma