- Lexington, South Carolina
- Lexington, Virginia
- Liberty, Missouri
- Lilburn, Georgia
- Lincoln, Massachusetts
- Lincoln, Nebraska
- Lincolnwood, Illinois
- Lindale, Texas
- Linden, Tennessee
- Lindstrom, Minnesota
- Little Compton, Rhode Island
- Little Elm, Texas
- Little Rock, Arkansas
- Littleton, Colorado
- Live Oak, Florida
- Livermore, California
- Liverpool, New York
- 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
- Louisburg, North Carolina
- Louisville, Kentucky
- Louisville, Tennessee
- Loveland, Colorado
- Loveland, Ohio
- Lubbock, Texas
- Ludington, Michigan
- Lutz, Florida
- Lynchburg, Virginia
- Lynwood, Washington
