| Death Date: | December 30, 1383 |
| Church: | Roman Catholic |
| Parents: | Guy de Chanac and Isabelle de Montroux |
| Elected: | September 22, 1368 |
| Cardinal: | May 30, 1371 |
Guillaume de Chanac[1] (died December 30, 1383) was a French Benedictine who became a Cardinal.[2]
He was abbot at Bèze Abbey, and then was abbot at Saint-Florent from 1354 to 1368.[3] He was Bishop of Chartres and then Bishop of Mende, for brief periods up to 1371.
He supported the Collège de Chanac Pompadour in Paris,[4] named after his great-uncle of the same name.