- Little Falls
- Little Ferry
- Little Silver
- Loch Arbour
- Long Branch
- Long Valley
- Longport
- Lyndhurst
- Lafayette
- Lake Hiawatha
- Lake Hopatcong
- Lake Pine
- Lakeside
- Lamington
- Land of Pines
- Landing
- Larrabees
- Layton
- Ledgewood
- Leeds Point
- Leesburg
- Lenola
- Liberty Corner
- Libertyville
- Little York
- Locust
- Lower Squankum
- Lumberton
- Lyons