22nd Battalion

22nd Battalion may refer to:
 * 22nd Battalion (Australia), a World War I ANZAC battalion
 * 2/22nd Battalion (Australia), a World War II Australian infantry battalion
 * 22nd Battalion (New Zealand), a World War II New Zealand infantry battalion
 * 22nd Battalion (French Canadian), CEF, a World War I battalion that formed part of the Canadian Corps


 * 22nd Peacekeeping Battalion (Moldova)
 * 22nd Chemical Battalion (United States)
 * 22nd (County of London) Battalion (The Queen's)
 * 22nd Virginia Infantry Battalion
 * 22nd Motorized Infantry Battalion (Ukraine)