The Polish I Corps (Polish: I Korpus Polski; from 1942, Polish I Armored-Mechanized Corps, Polish: I Korpus Pancerno-Motorowy) was a tactical unit of the Polish Armed Forces in the West during World War II. It was formed in the United Kingdom on 28 September 1940. It was subordinate to the Scottish Command, and the Corps HQ was at Moncreiffe House in Perthshire (near the Bridge of Earn). It numbered 3,498 officers and 10,884 soldiers.