The 36th Infantry Regiment is a United States Army infantry regiment.
The 36th Armored Infantry was formed on 1 July 1916 at Brownsville, Texas from elements of the 4th Infantry, 26th Infantry and 28th Infantry. It was assigned to the 12th Division on 5 July 1918, relieved from the 12th Division 31 January 1919, and inactivated at Fort Jay New York on 13 October 1921.