31st Battalion

31st Battalion may refer to:

• 31st Battalion, Royal Queensland Regiment, a unit of the Australian Army
• 31st/42nd Battalion, Royal Queensland Regiment, a unit of the Australian Army
• 2/31st Battalion (Australia), a unit of the Australian Army that was raised during World War II
• 31st (Alberta) Battalion, CEF, a unit of the Canadian Army
• 31st Infantry Battalion (Estonia), a unit of the Estonian Army
• 31st Engineer Battalion, a unit of the United States Army
• Combat Logistics Battalion 31, a unit of the United States Marine Corps

• 31st Division (disambiguation)
• 31st Group (disambiguation)
• 31st Brigade (disambiguation)
• 31st Regiment (disambiguation)
• 31st Squadron (disambiguation)

Topics referred to by the same term

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