- Leamington
- Lake Shore
- Leeds
- Lewiston
- Lyman
- La Sal
- LaVerkin
- Laketown
- Laytona
- Lehi
- Levan
- Lindon
- Little Cottonwood Creek Valley
- Loa
- Logan
- Lynndyl
- La Cresta Park
- La Sal Junction
- Lady of the Lake
- Lago
- Laho
- Lake Pines Apartment Condominium
- Lake Point
- Lake Point Junction
- Lake Powell
- Lake Ridge
- Lake View Resort
- Laker Lane Condominium
- Lakeside
- Lakeside Acres