- Lambert (Population: 1,967)
- Latimer (Population: 4,288)
- Laurel (Population: 18,393)
- Leakesville (Population: 1,026)
- Leland (Population: 5,502)
- Lexington (Population: 2,025)
- Long Beach (Population: 17,320)
- Louisville (Population: 7,006)
- Lucedale (Population: 2,458)
- Lumberton (Population: 2,228)
- Lyman (Population: 1,081)
- Lynchburg (Population: 2,959)
