- Linn
- Linn Creek
- Linneus
- Lippstadt Community
- Lisbon
- Lisle
- Lithium
- Little Berger
- Little Blue
- Little Compton
- Little River
- Little Rock Landing
- Little Stag Island
- Little Union
- Littles Island
- Lively
- Livingston
- Livonia
- Lixville
- Local
- Loch Lloyd
- Lock Springs
- Lockwood
- Locust
- Locust Hill
- Lodi
- Loeffler
- Loehr
- Logan
- Lohman