title: 4th Pioneer Battalion
text: # 4th Pioneer Battalion
  
  4th Pioneer Battalion may refer to:
  
  * 4th Pioneer Battalion (Australia): a unit of the Australian Army that served during the First World War
  * 2/4th Pioneer Battalion (Australia): a unit of the Australian Army that served during the Second World War
  * 4th Combat Engineer Battalion: a United States Marine Corps unit, which was originally designated as the 4th Pioneer Battalion
  