9th Battalion, Royal Queensland Regiment (9 RQR) is a Reserve light infantry battalion of the Australian Army, raised and based in the state of Queensland. It is part of the Royal Queensland Regiment and is currently attached to the 11th Brigade of the 2nd Division. 9 RQR can trace its history as far back as 1867 with the establishment Queensland Volunteer Rifle Corps, although it was not until 1911 that it was designated as the "9th Battalion". Over the course of its history, the battalion has served Australia in a number of conflicts including The Boer War, World War I and World War II, while more recently, members of the battalion have been involved in various peacekeeping operations and exercises around the Pacific region.