33rd Battalion or 33rd Infantry Battalion may refer to: 33rd Battalion (Australia), a unit of the Australian Army 2/33rd Battalion (Australia), a unit of the Australian Army that served during World War II 33rd Battalion, CEF, a unit of the Canadian Expeditionary Force during World War I 33 Battalion (SWATF), a unit of the South West Africa Territorial Force Reserve Police Battalion 33, an auxiliary unit of the Third Reich Schutzmannschaft Battalion 33, an auxiliary unit of the Third Reich 33rd Battalion Virginia Cavalry See also 33rd Division (disambiguation) 33rd Brigade (disambiguation) 33rd Regiment (disambiguation) 33rd Squadron (disambiguation)