- Lancaster
- Lancaster Park
- Landersdale
- Landess
- Langoons
- Lantana Estate
- Lantern Crossing
- Lantern Farms
- Lantern Pines
- Laotto
- Lap Corner
- Lapland
- Larimer Hill
- Laud
- Lauer
- Laughery Switch
- Laugheryville
- Laura
- Laveianan Court
- Lawrenceburg Junction
- Lawrenceport
- Lawrenceville
- Lawton
- Layton
- Leases Corner
- Leatherwood
- Leatherwood Island
- Lee
- Leesville
- Legendary Hills