Cap badge Calgary Highlanders 5th Infantry Brigade, 2nd Canadian Infantry Division

The Calgary Highlanders is a Canadian Army Primary Reserve infantry regiment, headquartered at Mewata Armouries in Calgary, Alberta, Canada. The regiment is a part-time reserve unit, under the command of 41 Canadian Brigade Group, itself part of 3rd Canadian Division, one of four region-based Canadian Army divisions. The regiment is one of only two regiments in the Canadian Forces (with The Canadian Scottish Regiment (Princess Mary's) to wear an Honorary Distinction on their uniform, commemorating the counterattack at Kitcheners' Wood. On 9 January 2015 the regiment was recognized with the Canadian Forces' Unit Commendation for outstanding contributions to the war in Afghanistan

The regiment mobilized for active service as The Calgary Highlanders, CASF on 1 September 1939. It was redesignated as the 1st Battalion, The Calgary Highlanders, CASF on 7 November 1940. On 27 August 1940, it embarked for Britain. The battalion's mortar platoon took part in OPERATION JUBILEE, the raid on Dieppe, on 19 August 1942. On 6 July 1944, the battalion landed in France as part of the 5th Infantry Brigade, 2nd Canadian Infantry Division, and it continued to fight in North-West Europe until the end of the war. The overseas battalion disbanded on 15 December 1945.