- Leota
- Little Bonanza
- Lakeview
- Lant
- Leland
- Lewis
- Lincoln
- Leamington
- Lake Shore
- Leeds
- Lewiston
- Lyman
- Laker Lane Condominium
- Lakeside Acres
- Lavell
- Lewis Estates
- Liberty Bell Ranchettes
- Liberty Meadows
- Little Mountain
- Lucin
- La Sal
- LaVerkin
- Laketown
- Laytona
- Lehi
- Levan
- Lindon
- Little Cottonwood Creek Valley
- Loa
- Logan