Lev Rebet (Ukrainian: Лев Ребет; 3 March 1912 – 12 October 1957) was a Ukrainian politician, journalist, and lawyer. A prominent leader of the Organization of Ukrainian Nationalists (OUN), he served as a cabinet member and acting prime minister in the Ukrainian national government during the proclamation of independence in June 1941. After the war, Rebet became a leading theorist for the Ukrainian diaspora in West Germany, serving as a professor at the Ukrainian Free University. Initially a close associate of Stepan Bandera, he later co-founded the more moderate Organisation of Ukrainian Natio