- Long Island
- Long Island
- Lakewood Estates
- L T Plantation
- La Branche
- La Reussite
- La Rosen
- La Roulette Mobile Home Park
- La Tierra
- Laark
- Labadieville
- Labarre
- Lacamp
- Lacassine
- Lachute
- Lacombe
- Lacour
- Lafayette
- Lafitte
- Lafitte Hill
- Lafourche
- Lagan
- Lagas
- Lagonda
- Lake
- Lake Arthur
- Lake Bruin
- Lake Catherine
- Lake Charles
- Lake Charles, Calcasieu