Karl Ludwig Hampe (3 February 1869 – 14 February 1936) was a German historian of the Middle Ages, particularly the history of the Holy Roman Empire in the High Middle Ages.
Following graduation, he spent five years as an employee of the Monumenta Historica Germaniae.
In 1903 he was appointed to a professorship in medieval history and historical auxiliary sciences at Ruprecht Karl University of Heidelberg.
[1][2] Hampe remained at Heidelberg until 1933 when he refused to cooperate with the increasing pressure put on universities by the new Nazi-led government of Germany and resigned his professorship.
Hampe's major historical works include Deutsche Kaisergeschichte in der Zeit der Salier und Staufer, later translated into English and published as "Germany under the Salian and Hohenstaufen emperors" (1974).