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 Royal New Brunswick Regiment (RNBR) is a reserve infantry regiment of the Canadian Army based in New Brunswick. It was formed in 1954 by amalgamation of The Carleton and York Regiment, The New Brunswick Scottish and The North Shore Regiment as the New Brunswick Regiment.The "Royal" designation was added in 1956. The Royal New Brunswick Regiment is part of 37 Canadian Brigade Group, 5th Canadian Division. The RNBR holds 65 battle honours mostly by perpetuation of the regiments it was formed from.