Guy of Boulogne

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His Eminence Guy de Boulogne
Cardinal-Bishop
The crowning of Pope Gregory XI (1371), a miniature from Froissart's Chroniques.
Church	Santa Cecilia in Trastevere (1342-1350)
Archdiocese	Lyon (1340-1342)
Diocese	Porto (1350-1373)
Orders
Created cardinal	20 September 1342 by Pope Clement VI
Personal details
Born	1313 Boulogne-sur-Mer, France
Died	25 November 1373 Lleida, Principality of Catalonia
Buried	Abbaye du Bouschet-Vauluisant Diocese of Clermont
Nationality	French
Parents	Robert VII of Auvergne and Boulogne Marie de Flandre
Occupation	diplomat
Education	Theology
Alma mater	University of Paris

Guy of Boulogne (1313^[1] – 25 November 1373) was a statesman and cardinal who served the Avignon Papacy for 33 years. He participated in the papal conclaves of 1352, 1362 and 1370, and was the Subdean of the Sacred College of Cardinals. His diplomatic postings were extensive, including Hungary, Italy, and Spain. He headed an effort to end the Hundred Years' War. The historian Kenneth Setton called him "one of the commanding figures of his day, and the letters of Petrarch abound with references to him".