- Labadieville
- Lacassine
- Lacombe
- Lafayette
- Lafitte
- Lake Charles
- Lake Arthur
- Lake Charles
- Lake Providence
- Lakeland
- Laplace
- Larose
- Lawtell
- Lebeau
- Lecompte
- Leesville
- Leeville
- Lena
- Lettsworth
- Libuse
- Lillie
- Lisbon
- Livingston
- Livonia
- Lockport
- Logansport
- Longleaf
- Longville
- Loranger
- Loreauville
- Lottie
- Luling
- Lutcher
- Lydia