Heinrich Koenen (12 May 1910 – February 1945) was a German engineer, anti-fascist resistance fighter and agent of the Soviet military intelligence service GRU. Heinrich Koenen was born in the Konigsberg district of Berlin, the son of Communist Reichstag deputy Wilhelm Koenen. He was selected as political head of the Young Communist League of Germany. He studied engineering at the Technical University of Berlin but for political reasons, was expelled in 1933 before his final examination. He emigrated via Denmark and Sweden to the Soviet Union, where he worked as an engineer in a Moscow tractor factory and in 1940, became a Soviet citizen.