C
- (Hastings County) Craigmont
- (Dufferin County) Craigsholme
- (Lanark County) Craig Shore
- (Middlesex County) Crampton
- (Middlesex County) Crathie
- (Grey County) Crawford
- (Oxford County) Creditville
- (Algoma) Cree
- (Wellington County) Creek Bank
- (Simcoe County) Creemore
- (Simcoe County) Creighton
- (Ottawa) Crestview
- (Huron County) Crewe
- (Wellington County) Crieff
- (Elgin County) Crinan
- (Lambton County) Cromar
- (Perth County) Cromarty
- (Dufferin County) Crombies
- (District Municipality of Muskoka) Crooked Bay
- (Durham) Crooked Creek
- (Hastings County) Crookston
- (United Counties of Leeds and Grenville) Crosby
- (Regional Municipality of Waterloo) Crosshill
- (Nipissing District) Cross Lake
- (Simcoe County) Crossland
- (Elgin County) Crossley Hunter
- (Peterborough County) Crowes Landing
- (Cochrane District) Crow Island
- (Simcoe County) Crown Hill
- (Lennox and Addington County) Croydon