The 22nd Brigade was a brigade-sized infantry unit of the Australian Army. It was briefly raised in 1912 as a Militia formation providing training as part of the compulsory training scheme. Later, during World War II, the brigade was raised as part of the all volunteer Second Australian Imperial Force in April 1940. Assigned to the 8th Division, in early 1941 the brigade was deployed to British Malaya where it formed part of the defensive garrison that was established there by the British, eventually establishing its headquarters in the Mersing–Endau area.