36th Regiment or 36th Infantry Regiment may refer to:
Infantry regiments 36th Infantry Regiment (Poland), a unit of the Polish Army 36th Sikhs, a unit of the British Indian Army 36th (Herefordshire) Regiment of Foot, a former unit of the British Army 36th Infantry Regiment (United States), a unit of the United States Army
Cavalry regiments 36th Jacob's Horse, a unit of the British Indian Army
Engineering regiments 36 Engineer Regiment (United Kingdom), a unit of the British Army's Royal Engineers
Aviation regiments 36th Special Aviation Regiment, a unit of the Polish Air Force
American Civil War regiments 36th Regiment Alabama Infantry 36th Illinois Volunteer Infantry Regiment 36th Indiana Infantry Regiment 36th New York Infantry 36th Ohio Infantry 36th Virginia Infantry 36th Wisconsin Volunteer Infantry Regiment
See also 36 Signal Regiment (disambiguation) 36th Division (disambiguation) 36th Brigade (disambiguation) 36 Squadron (disambiguation)