Günther Adolf Ferdinand von Kluge (30 October 1882 – 19 August 1944), also known as Hans Günther von Kluge, was a German field marshal during World War II who held commands on both the Eastern and Western Fronts. He commanded the 4th Army of the Wehrmacht during the invasion of Poland in 1939 and the Battle of France in 1940, earning a promotion to Generalfeldmarschall. Kluge went on to command the 4th Army in Operation Barbarossa (the invasion of the Soviet Union) and the Battle for Moscow in 1941.