11th Battalion may refer to:
11th Battalion (Australia), a unit of the Australian Army 2/11th Australian Infantry Battalion, a unit of the Australian Army 11th/28th Battalion, Royal Western Australia Regiment, a unit of the Australian Army 11th Philippine Scout Battalion, a unit of the Philippine Army 11th Battalion Ulster Defence Regiment, a unit of the British Army Czechoslovak 11th Infantry Battalion, a unit of the Czechoslovak army in exile during World War II 11th Separate Motorized Infantry Battalion (Ukraine), a unit of the Ukrainian Armed Forces
See also
11th Army (disambiguation) XI Corps (disambiguation) 11th Division (disambiguation) 11th Group (disambiguation) 11th Brigade (disambiguation) 11th Regiment (disambiguation) 11 Squadron (disambiguation)