13th Group may refer to:
13th Carrier Air Group, a unit of the United Kingdom Royal Navy 13th Air Expeditionary Group, a unit of the United States Air Force 13th Bombardment Group, a unit of the United States Air Force
See also 13th Army (disambiguation) XIII Corps (disambiguation) 13th Division (disambiguation) 13th Brigade (disambiguation) 13th Regiment (disambiguation) 13th Battalion (disambiguation) 13 Squadron (disambiguation)