Friedrich Materna (1885–1946) was a General in the Bundesheer (Austrian Federal Army) in the 1930s and the German Wehrmacht during the Second World War. He became a general-major in the Austrian army in 1935, and he was also a part of the Bundesministerium für Landesverteidigung (Federal Ministry of Defence), in which he acted as Head of the Training Department. After the Anschluss he was incorporated into the Wehrmacht, where from 1938 to 1940, he commanded the 45. Infanterie-Division. Between 1940 and 1942, he commanded the XX Armeekorps, and from 1942 to 1943, the Military District XVII.