- Lamar, Arkansas
- Lamesa, Texas
- Lancaster, Pennsylvania
- Lancaster, Texas
- Landover Hills, Maryland
- Landover, Maryland
- Lanesborough, Massachusetts
- Langston, Oklahoma
- Lansing, Michigan
- Laramie, Wyoming
- Largo, Florida
- Las Cruces, New Mexico
- Las Vegas, Nevada
- Latonia, Kentucky
- Latrobe, Pennsylvania
- Laurel, Maryland
- Laverne, Oklahoma
- Lawrence Township, New Jersey
- Lawrence, Kansas
- Lawrenceville, Georgia
- Lawrenceville, New Jersey
- Lawton, Oklahoma
- Leander, Texas
- Leawood, Kansas
- Lebanon, Missouri
- Lebanon, Ohio
- Lebanon, Oregon
- Lebanon, Tennessee
- Lee's Summit, Missouri
- Leland, Michigan
- Lenexa, Kansas
- Lenoir City, Tennessee
- Lenorah, Texas
- Leonardtown, Maryland
- Lewes, Delaware
- Lewiston, Maine
- Lewisville, Texas
- Lexington, Kentucky
- Lexington, Massachusetts
- Lexington, Michigan
