Karl Faymonville (31 August 1875 – after 1927) was a German art historian.
Born in Aachen, Faymonville, son of the factory owner Johannes Faymonville, attended a grammar school in Aachen.
He studied art history and architecture at the Polytechnische Schule zu Aachen (1894–96), the Karlsruhe Institute of Technology (1896-97), the Technical University of Munich and the Ludwig Maximilian University of Munich (1897–98).
From 1898, he studied at the Ruprecht-Karls-Universität Heidelberg, where he received his doctorate in 1899.
[1] From 1906 onwards, he worked for the inventory of the Rhenish art monuments and published, among others, the volumes on Aachen for Die Kunstdenkmäler der Rheinprovinz [de].