- Little Compton, Rhode Island
- Little Rock, Arkansas
- Littleton, Colorado
- Live Oak, Florida
- Livermore, California
- Livingston, Texas
- Logan, Ohio
- Loganville, Georgia
- Lombard, Illinois
- London, Kentucky
- Lonestar, Texas
- Long Beach, California
- Long Branch, New Jersey
- Longmont, Colorado
- Longview, Texas
- Longwood, Florida
- Lookout Mountain, Georgia
- Los Angeles, California
- Louisville, Kentucky
- Louisville, Tennessee
- Loveland, Colorado
- Loveland, Ohio
- Lubbock, Texas
- Ludington, Michigan
- Lutz, Florida
- Lynchburg, Virginia
- Lynwood, Washington
- Lyons, Colorado
- Macon, Georgia
- Madison, Alabama
- Madison, Mississippi
- Madison, New Jersey
- Madison, Tennessee
- Madison, Wisconsin
- Malibu, California
- Mamaroneck, New York
- Manalapan Township, New Jersey
- Manassas, Virginia
- Manchester, New Hampshire
- Manchester, Tennessee