- La Belle
- La Due
- La Grange
- La Monte
- La Plata
- La Russell
- LaBarque Creek
- Laclede
- Laddonia
- Ladue
- Lake Annette
- Lake Lafayette
- Lake Lotawana
- Lake Mykee Town
- Lake Ozark
- Lake Saint Louis
- Lake Tapawingo
- Lake Waukomis
- Lake Winnebago
- Lakeland
- Lakeshire
- Lakeview
- Lakeview
- Lamar
- Lamar Heights
- Lambert
- Lanagan
- Lancaster
- Laredo
- Lathrop
- Latour
- Laurie
- Lawson
- Leadington
- Leadwood
- Leasburg
- Leawood
- Lebanon
- Lee's Summit
- Leeton
- Lemay
- Leonard
- Leslie
- Levasy
- Lewis and Clark Village
- Lewistown
- Lexington
- Liberal
- Liberty
- Licking
- Lilbourn
- Lincoln
- Linn
- Linn Creek
- Linneus
- Lithium
- Livonia
- Loch Lloyd
- Lock Springs
- Lockwood
- Lohman
- Loma Linda
- Lon
- Lone Jack
- Longtown
- Louisburg
- Louisiana
- Lowry City
- Lucerne
- Ludlow
- Lupus
- Luray
