The Battle of Bobdubi was a series of actions fought in the Salamaua area of the Territory of New Guinea between Australian and Japanese forces which took place from 22 April to 19 August 1943, during World War II. Part of the Allied advance on Salamaua, the battle was fought in conjunction with several other actions in the region as the Allies attempted to draw Japanese attention away from Lae, where they launched seaborne landings in mid-September 1943 in conjunction with airborne landings around Nadzab. The initial phase of the fighting around Bobdubi was characterised mainly by small unit harassment and reconnaissance operations, while the second phase saw the capture of a number of Japanese defensive positions in locations dubbed "Old Vickers", "Timbered Knoll", and the "Coconuts".

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 Battalion was deployed to New Guinea before later taking part in the Bougainville campaign. Following the end of the war, the battalion was disbanded in 1946.