Helene (Leen) Kullman (31 January 1910 – 6 March 1943) was an agent of Soviet military intelligence during World War II. Joining the Red Army in January 1942, she originally served as a nurse; in April 1942, she was transferred to intelligence. In September 1942, she was inserted behind German lines near Tartu. In January 1943, she was arrested by the local Gestapo and subsequently executed. She was named a Hero of the Soviet Union on 8 May 1963.