 Jan Mazurkiewicz (27 August 1896, Lwów – 4 May 1988, Warsaw), nom de guerre Radosław, was a Polish soldier, veteran of World War I, and a colonel in the Polish anti-Nazi resistance Armia Krajowa (AK) during World War II. He was one of the main commanders of the Warsaw Uprising, where he led the Radosław Group (Polish: Zgrupowanie Radosław), part of Kedyw, which was one of the best armed and trained insurrectionist units in the Uprising.
