- 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 Prospect, Illinois
- Mountain View, California
- Mt. Sterling, Ohio
- Muncie, Indiana
- Mundelein, Illinois
- Munford, Tennessee
- Murchison, Texas
- Murfreesboro, North Carolina
- Murfreesboro, Tennessee
- Murphy, Texas
- Murray, Kentucky
- Murray, Utah
- Murrells Inlet, South Carolina
- Muskegon, Michigan
- Muskogee, Oklahoma
- Mustang, Oklahoma
- Myrtle Beach, South Carolina
- Nacogdoches, Texas
- Nahunta, Georgia
- Nampa, Idaho
- Nantucket, Massachusetts
- Nanty Glo, Pennsylvania
- Napa, California
- Naperville, Illinois
- Naples, Florida
