Dominion of Canada can refer to:
Canada, historically referred to as "Dominion of Canada" from Confederation until the 1950s
Dominion of Canada Rifle Association, the national rifleman's association of Canada Dominion of Canada General Insurance Company, former life assurance company in Canada Dominion of Canada Northern Ontario Men's Curling Championship, former name of the NOCA Men's Provincial Championship LNER Class A4 4489 Dominion of Canada, steam locomotive formerly known as Woodcock Dominion Society of Canada, Canadian anti-immigration group