Karl Heinrich von Metternich-Winneburg (14 July 1622[citation needed] – 28 September 1679) was a German nobleman who served as Archbishop and Elector of Mainz from 9 January 1679 until his death on 28 September.

[citation needed] Karl Heinrich von Metternich-Winneburg was born in Koblenz on 14 July 1622.

The cathedral chapter of Mainz Cathedral elected Karl Heinrich von Metternich-Winneburg Archbishop of Mainz on 9 January 1679.

Pope Innocent XI confirmed both appointments on 4 September 1679.

[citation needed] He is buried in Mainz Cathedral.