Stanisław Radkiewicz (Polish pronunciation: [staˈɲiswaf ratˈkʲevit͡ʂ]; 19 January 1903 – 13 December 1987) was a Polish communist activist with Soviet citizenship, a member of the pre-war Communist Party of Poland and of the post-war Polish United Workers' Party (PZPR). As head of the Ministry of Public Security of Poland (Urząd Bezpieczeństwa or UB) between 1944 and 1954, he was one of the chief organisers of Stalinist terror in Poland. He also served as a political commissar and was made a Divisional General in Communist Poland.