The 24th Battalion was an infantry battalion of the Australian Army. Originally raised in 1915 for service during World War I as part of the 1st Australian Imperial Force, it was attached to the 6th Brigade, 2nd Division and served during the Gallipoli campaign and in the trenches of the Western Front in France and Belgium. Following the end of the war the battalion was disbanded in 1919, however, in 1921 it was re-raised as a unit of the part-time Citizens Forces in Melbourne, Victoria. In 1927, when the part-time forces adopted territorial titles, the battalion adopted the designation of 24th Battalion (Kooyong Regiment). In 1939, the 24th Battalion was merged with the 39th Battalion, however, they were split up in 1941 and in 1943, after being allocated to the 15th Brigade, the 24th Bat