| Date | Age | Bishop | Title |
| unknown | | Antonio Alamandi † | Bishop of Cahors, France |
| unknown | | Giovanni Attaldo † | Archbishop of Trani, Italy |
| unknown | | Justo Baldini, O.S.B. † | Bishop of Ceuta, Spain |
| unknown | | Pietro Bruto † | Bishop of Kotor (Cattaro), Montenegro |
| unknown | | Miguel Danyon † | Bishop of Ales (Uselli), Italy |
| unknown | 53.0 | Jean d’Harcourt (Armagnac) † | Bishop of Castres, France |
| unknown | | Robert de Luxembourg † | Bishop of Angoulême, France |
| unknown | | Robert d’Espinay † | Bishop of Nantes, France |
| unknown | | Donato de Giorgi, O.P. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| unknown | | Pietro Landi † | Bishop of Paphos, Cyprus |
| unknown | | Nardo Mormile † | Archbishop of Sorrento, Italy |
| unknown | | Diego de Nava † | Bishop of Ampurias, Italy |
| unknown | | Michele Orsini † | Bishop of Pula (Pola), Croatia |
| unknown | | Barthelemy Pamuol † | Bishop of Acci (Accia), France |
| unknown | | Pietro Pyrrhus de Azzia † | Bishop of Pozzuoli, Italy |
| unknown | | Marien de Qualeatis † | Bishop of Glandèves, France |
| unknown | | Pietro Ranzano, O.P. † | Bishop of Lucera, Italy |
| unknown | | Antonio Roderis † | Bishop of Santa Giusta (Othoca), Italy |
| unknown | | Giovanni de Rossi † | Bishop of Alatri, Italy |
| unknown | | Alfonso Spinelli † | Bishop of Gallipoli, Italy |
| unknown | | Guglielmo Vidal † | Bishop of Galtelli, Italy |
| Jan | | Marco Lascaris de Tenda † | Bishop Emeritus of Riez, France |
| 4 Jan | | Girolamo Almensa, O.P. † | Bishop of Policastro, Italy |
| 22 Jan | | Antonio de Agello † | Archbishop of Bari (-Canosa), Italy |
| 2 Feb | 63.0 | Zbigniew z Oleśnicki † | Archbishop of Gniezno, Poland |
| 4 Feb | 59.0 | Ardicino della Porta (Jr.) † | Cardinal, Bishop of Aleria, France |
| 16 Feb | | Ulrich Geislinger, O.F.M. † | Auxiliary Bishop of Augsburg, Germany |
| 14 Apr | | Johannes Ymminck, O.S.A. † | Auxiliary Bishop of Paderborn, Germany |
| 2 May | 38.9 | Ermolao Barbaro (Jr) † | Patriarch of Aquileia, Italy |
| 7 Jul | | Albert Schönhofer † | Auxiliary Bishop of Passau, Germany |
| 18 Jul | | Robert de Croixmare † | Archbishop of Rouen, France |
| 10 Aug | | Udalric von Fraunsberg † | Bishop of Trento, Italy |
| 14 Aug | 50.6 | Pierre (de Montfort) de Laval † | Archbishop of Reims, France |
| 27 Sep | 83.7 | Miles d’Illiers † | Bishop Emeritus of Chartres, France |
| 12 Oct | | Busso von Alvensleben † | Bishop of Havelberg, Germany |
| 13 Oct | | Heinrich von Rübenach, O.P. † | Auxiliary Bishop of Mainz, Germany |
| 16 Oct | | Girolamo Landi † | Titular Patriarch of Constantinople |
| 20 Oct | 79.8 | Giovanni Conti † | Cardinal, Archbishop Emeritus of Conza, Italy |
| 2 Nov | | Alain Le Maout † | Bishop of Quimper, France |
| Dec | | Juan de Meneses † | Bishop of Zamora, Spain |
| 19 Dec | | Étienne Goupillon † | Bishop of Sées {Séez}, France |