Damian Hartard Reichsfreiherr von der Leyen-Hohengeroldseck (12 March 1624, Trier – 6 December 1678) was a German nobleman who served as Archbishop-Elector of Mainz and Prince-Bishop of Worms from 1675 until his death in 1678.

[1][2][3] Damian Hartard von der Leyen-Hohengeroldseck was the younger brother of Karl Kaspar von der Leyen-Hohengeroldseck, who was Archbishop of Trier from 1652 to 1676.

Pope Clement X confirmed both appointments on 24 February 1676.

During his reign, the eastern block of the Electoral Palace Mainz was completed.

Media related to Damian Hartard von der Leyen at Wikimedia Commons