E
- Erin
- Essex
- (Simcoe County) Everett
- (Lennox and Addington County) Ernestown Township
- (Simcoe County) Eady
- (Elgin County) Eagle
- (Parry Sound District) Eagle Lake
- (Kenora District) Eagle River
- (Manitoulin District) Eagles Nest
- (Ottawa) Eaglesons Corners
- (Timiskaming District) Earlton
- (Dufferin County) Earnscliffe
- (Northumberland County) East Colborne
- (Hastings County) East Hungerford
- (Grey County) East Linton
- (Simcoe County) East Oro
- (United Counties of Leeds and Grenville) East Oxford
- (Ottawa) Eastway Gardens
- (Oxford County) Eastwood
- (Nipissing District) Eau Claire
- (Lanark County) Ebbs Shore
- (Simcoe County) Ebenezer
- (Hastings County) Ebenezer
- (United Counties of Leeds and Grenville) Ebenezer
- (District Municipality of Muskoka) Echo Beach
- (Algoma) Echo River
- (Northumberland County) Eddystone
- (Elgin County) Eden
- (Bruce County) Eden Grove
- (United Counties of Leeds and Grenville) Eden Grove