- Laird
- Little Rapids
- Livingstone Creek
- Lake Huron Highland
- Lake Rosalind
- Langside
- Lion's Head
- Little Egypt
- Lockerby
- Lorne
- Lorne Beach
- Lovat
- Lower Langside
- Leamington
- Lincoln
- Lepage
- Lowther
- L'Ange-Gardien
- L'Orignal
- La Renouche
- Limberlost Lodge
- Laurel
- Leggatt
- Lakeside Beach
- Layton
- Leaskdale
- Leskard
- Lakeview
- Largie
- Lawrence Station