- Lamplighter Villa
- Lamson Mobile Home Park
- Lanesboro
- Langdon
- Langworthy
- Lanscaster
- Lansing
- Lansing Valley Mobile City
- Lansrud
- Lanyon
- Larchwood
- Larland
- Larrabee
- Last Chance
- Latimer
- Lattnerville
- Latty
- Laurel
- Laurens
- Lavinia
- Lawler
- Lawn Hill
- Lawrenceburg
- Lawton
- Le Claire
- Le Grand
- Le Mars
- Le Roy
- Lead Island
- Leando