Paul Diepgen (24 November 1878 – 2 January 1966) was a German gynecologist and historian of medicine.
Diepgen studied medicine at the universities of Tübingen, Leipzig, Bonn and Freiburg, receiving his doctorate in 1902 with the dissertation Über zwei Fälle von Thorakopagus.
From 1905 he worked as an assistant at the university women's clinic in Freiburg, and in 1910 he obtained his habilitation under the direction of Ludwig Aschoff.
In 1947 he was named a visiting professor for the history of medicine at the University of Mainz, where in 1949 he received a full professorship.
[2][3] From 1908 to 1966 he was a member of the Deutsche Gesellschaft für Geschichte der Medizin, Naturwissenschaft und Technik (German Society for the History of Medicine, Natural Science and Technology).