Karl Dietrich Bracher (13 March 1922 – 19 September 2016) was a German political scientist and historian of the Weimar Republic and Nazi Germany. Born in Stuttgart, Bracher was awarded a Ph.D. in the classics by the University of Tübingen in 1948 and subsequently studied at Harvard University from 1949 to 1950. During World War II, he served in the Wehrmacht and was captured by the Americans while serving in Tunisia in 1943.