Karl Theodor von Heigel

Karl Theodor von Heigel (23 August 1842 in Munich – 23 March 1915 in Munich) was a German historian. He was the brother of novelist Karl August von Heigel.

He studied history at the Ludwig-Maximilians-Universität München, obtaining his habilitation for history in 1873. In 1879, he became an associate professor, and several years later, a full professor at the Polytechnic School of Munich. In 1885, he was appointed professor and director of the historical seminary at the Ludwig-Maximilians-Universität München.

In 1876, he became a member of the Bavarian Academy of Sciences. With Hermann von Grauert, he was editor of the Historische Abhandlungen (from 1891). He was the author of many biographies in the Allgemeine Deutsche Biographie.