- Luray
- Lakeview
- La Due
- La Monte
- La Russell
- Laclede
- Laddonia
- Ladue
- Lake Annette
- Lake Lafayette
- Lake Lotawana
- Lake Mykee Town
- Lake Ozark
- Lake Saint Louis
- Lake Tapawingo
- Lake Waukomis
- Lake Winnebago
- Lakeshire
- Lamar Heights
- Lanagan
- Latour
- Laurie
- Leadington
- Leadwood
- Leasburg
- Lee's Summit
- Lemay
- Levasy
- Lewis and Clark Village
- Licking