- 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
- Monument, Colorado
- Moon Township, Pennsylvania
- Mooresville, Indiana
- Mooresville, North Carolina
- Moorhead, Minnesota
- Moreno Valley, California
- Morgantown, West Virginia
- Morrison, Colorado
- Morristown, Tennessee
- Morrisville, North Carolina
- Morro Bay, California
- Morton, Illinois
- Moscow, Tennessee
- Moseley, Georgia
- Mount Juliet, Tennessee
- Mount Kisco, New York
- Mount Pleasant, Michigan
- Mount Pleasant, Tennessee
- Mount Prospect, Illinois
- Mountain View, California
- Mt. Sterling, Ohio
- Muncie, Indiana
- Mundelein, Illinois
- Munford, Tennessee
- Murchison, Texas
- Murfreesboro, North Carolina
- Murfreesboro, Tennessee
- Murphy, Texas
