The Dufferin and Haldimand Rifles of Canada was an infantry regiment of the Non-Permanent Active Militia of the Canadian Militia and later the Canadian Army. The regiment was formed in 1936, when The Haldimand Rifles was Amalgamated with The Dufferin Rifles of Canada. In 1946, the regiment was converted from Infantry to Artillery and now forms part of the 56th Field Artillery Regiment, RCA.