- L'Ange-Gardien
- L'Orignal
- La Renouche
- Lady Bank
- Ladysmith
- Lafontaine Beach
- Lagoon City
- Laird
- Lake
- Lake Bernard
- Lake Charles
- Lake Clear
- Lake Huron Highland
- Lake Opinicon
- Lake Park
- Lake Rosalind
- Lake St. Peter
- Lake Wasaw
- Lakefield
- Lakelet
- Lakeshore
- Lakeside
- Lakeside Beach
- Lakeview
- Lakeview Beach
- Lakeview Park
- Lamlash
- Lammermoor
- Lanark
- Landerkin