F
- (Peterborough County) Fairbairn Meadows
- (Ottawa) Faircrest
- (United Counties of Leeds and Grenville) Fairfax
- (United Counties of Leeds and Grenville) Fairfield
- (United Counties of Leeds and Grenville) Fairfield East
- (Ottawa) Fairfield Heights
- (Parry Sound District) Fairholme
- (Peterborough County) Fairmount
- (Grey County) Fairmount
- (Simcoe County) Fair Valley
- (Renfrew County) Fairview
- (Elgin County) Fairview
- (Perth County) Fairview
- (Middlesex County) Falconbridge
- (Parry Sound District) Falding
- (Lanark County) Fallbrook
- (Ottawa) Fallowfield
- (Wellington County) Farewell
- (Simcoe County) Farlain Lake
- (Dufferin County) Farmington
- (Hastings County) Farrell Corners
- (Cochrane District) Fauquier
- (Simcoe County) Fawn Bay
- (Comtés unis de Prescott et Russell) Felton
- (Northumberland County) Fenella
- (Simcoe County) Fergus Hill Estate
- (Renfrew County) Ferguslea
- (Lennox and Addington County) Ferguson Corners
- (Renfrew County) Fergusons Beach
- (Lanark County) Fergusons Falls