| Ernest of Bavaria | |
| Prince-Elector-Archbishop of Cologne | |
| Reign: | April 1583 – 17 February 1612 |
| Predecessor: | Gebhard Truchsess von Waldburg |
| Successor: | Ferdinand of Bavaria |
| House: | Wittelsbach |
| Father: | Albert V, Duke of Bavaria |
| Mother: | Anna von Habsburg |
| Birth Date: | 17 December 1554 |
| Birth Place: | Munich, Duchy of Bavaria |
| Death Place: | Arnsberg, Archbishopric of Cologne |
| Burial Place: | Cologne Cathedral |
Wittelsbach-Hapsburg aristocrat Ernest of Bavaria (German: Ernst von Bayern) (17 December 1554 – 17 February 1612) was Prince-Elector-Archbishop of the Archbishopric of Cologne and, as such, Archchancellor of the Holy Roman Empire and Duke of Westphalia, from 1583 to 1612 as successor of the expelled Archbishop Gebhard Truchsess von Waldburg.
He was also simultaneously Prince-Bishop of Münster, Hildesheim, Freising, and Liège, Count of Loon, and Prince-Abbot of Savelot.
Ernest was born in Munich, the son of Albert V, Duke of Bavaria, and Anna of Austria. Duke Albert had destined his third son, Ernest, for the clerical vocation. He was educated and trained by the Jesuits at Ingolstadt.[1]