Gustav Fehn (21 February 1892 – 5 June 1945) was a German general during World War II.
Fehn served in the Afrika Korps from November 1942 to January 1943, LXXVI Panzer Corps from July–August 1943, the XXI Army Corps from October 1943 - July 1944 and then the XV Mountain Corps in the Balkans until his surrender to Yugoslav partisans, who shot him without trial on 5 June 1945.
Scherzer, Veit (2007). Die Ritterkreuzträger 1939–1945 Die Inhaber des Ritterkreuzes des Eisernen Kreuzes 1939 von Heer, Luftwaffe, Kriegsmarine, Waffen-SS, Volkssturm sowie mit Deutschland verbündeter Streitkräfte nach den Unterlagen des Bundesarchives [The Knight's Cross Bearers 1939–1945 The Holders of the Knight's Cross of the Iron Cross 1939 by Army, Air Force, Navy, Waffen-SS, Volkssturm and Allied Forces with Germany According to the Documents of the Federal Archives] (in German). Jena, Germany: Scherzers Militaer-Verlag. ISBN978-3-938845-17-2.