L
- Leamington
- LaSalle
- Latchford
- (Regional Municipality of Niagara) Lincoln
- Lakeshore
- (Thunder Bay District) Longlac
- (Grey County) Lady Bank
- (Lambton County) Ladysmith
- (Simcoe County) Lafontaine Beach
- (Simcoe County) Lagoon City
- (Algoma) Laird
- (Hastings County) Lake
- (Parry Sound District) Lake Bernard
- (Grey County) Lake Charles
- (Renfrew County) Lake Clear
- (Bruce County) Lake Huron Highland
- (Huron County) Lakelet
- (Frontenac County) Lake Opinicon
- (Lanark County) Lake Park
- (Bruce County) Lake Rosalind
- (Oxford County) Lakeside
- (Durham) Lakeside Beach
- (Hastings County) Lake St. Peter
- (Elgin County) Lakeview
- (Simcoe County) Lakeview Beach
- (Ottawa) Lakeview Park
- (Rainy River District) Lake Wasaw
- (Grey County) Lamlash
- (Lanark County) Lammermoor
- (Lanark County) Lanark