The Carleton and York Regiment was an infantry regiment of the Non-Permanent Active Militia of the Canadian Militia. In 1954, the regiment was amalgamated with The New Brunswick Scottish and The North Shore Regiment to form the two battalions of The New Brunswick Regiment.

The 3rd Canadian Infantry Brigade was a formation of the Canadian Army in both World War I and World War II. The brigade fought on the Western Front during the First World War, and in Sicily and Italy during the Second World War.