Siegfried Westphal (18 March 1902 – 2 July 1982) was a highly decorated General der Kavallerie in the Wehrmacht during World War II. He was a recipient of the Knight's Cross of the Iron Cross. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. Westphal was captured by American troops in May 1945 and acted as a witness at the Nuremberg War Crimes Trial. He was released in 1947.