- Landry
- Landry's Mobile Home Park
- Langston
- Lantier Mobile Home Park
- Lapeyrouse
- Lapine
- Laplace
- Larabee
- Laran
- Larose
- Larto
- Lasalle
- Latanier
- Latanier Island
- Latex
- Lauderdale
- Lauderdale
- Laurel Grove
- Laurel Grove Plantation
- Laurel Hill
- Laurel Ridge
- Laurel Ridge Plantation
- Laurel Valley Plantation
- Laurents Point
- Lavacco
- Lawhon
- Lawtell
- Lazy Acres
- Lazy Lake Estates
- Le Blanc