| Date | Age | Bishop | Title |
|---|
| unknown | | Giovanni de Almodonari, O.F.M. † | Bishop of Stefaniaco e Benda, Albania |
| unknown | | Walter Blake † | Bishop of Clonmacnoise, Ireland |
| unknown | | Ludovico Bruno † | Bishop of Acqui, Italy |
| unknown | | Urbano de Caragnano † | Bishop of Monopoli, Italy |
| unknown | | Angelo Castalsi † | Bishop of Isola, Italy |
| unknown | | Thomas Clerke † | Bishop Emeritus of Killala, Ireland |
| unknown | | Francesco Conti, O.P. † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| unknown | | Pierre DuFour † | Bishop of Lectoure, France |
| unknown | | Alonso de Fonseca y Acevedo † | Archbishop of Santiago de Compostela, Spain |
| unknown | | Niels Friis † | Bishop of Viborg, Denmark |
| unknown | | Stefano Goffredi † | Bishop of Catanzaro, Italy |
| unknown | | Angelo Lacerti † | Bishop of Molfetta, Italy |
| unknown | | Francesco de Lavello, O. Cart. † | Bishop of Ravello, Italy |
| unknown | | Joăo Lobo † | Bishop of Tanger (Tangier), Morocco |
| unknown | 68.0 | Fabrizio Marliani † | Bishop of Piacenza, Italy |
| unknown | | Francesco Pellicer † | Archbishop of Sassari, Italy |
| unknown | | Guillaume de Rochefort (Rupe), O.S.B. † | Bishop of Alet, France |
| unknown | | Pietro Strebbigna † | Bishop of Sapë, Albania |
| unknown | | Aymard de Vesco † | Bishop of Vence, France |
| 7 Jan | 86.0 | Bonfrancesco Arlotti † | Bishop of Reggio Emilia, Italy |
| 18 Jan | | Jean Vasseur, O.P. † | Auxiliary Bishop of Thérouanne, France |
| 25 Jan | | Heinrich von Schaumberg † | Bishop of Minden, Germany |
| 9 Feb | 52.1 | Konrad von Rietberg † | Bishop of Osnabrück, Germany |
| 13 Feb | | Ludwig von Siegen, O.F.M. † | Auxiliary Bishop of Hildesheim, Germany |
| 4 Mar | | Mateo Perez, O.S.A. † | Auxiliary Bishop of Valencia, Spain |
| 7 Mar | | Fabrizio Varano † | Bishop of Camerino, Italy |
| 18 Mar | 51.1 | Antonio Trivulzio (Sr.), C.R.S. Ant. † | Cardinal, Bishop of Como, Italy |
| 23 Apr | | García Ramírez Villaescusa, O.S. † | Bishop of Oviedo, Spain |
| 4 May | | Christoph Mendel von Steinfels † | Bishop of Chiemsee, Germany |
| 19 May | 52.4 | Antonio Surian, O. Cart. † | Patriarch of Venezia {Venice}, Italy |
| 7 Jul | | Waricus de Dommartin † | Bishop-Elect of Verdun, France |
| 23 Jul | | Antonio Ferrero † | Cardinal, Bishop of Gubbio, Italy |
| 28 Jul | 63.5 | Robert Blacader † | Archbishop of Glasgow, Scotland, Great Britain |
| 3 Aug | | Raphael Mercatel, O.S.B. † | Auxiliary Bishop of Tournai {Doornik}, Belgium |
| 7 Aug | | Francesco Brevio † | Bishop of Ceneda, Italy |
| 16 Aug | | Erhard Baumgartner † | Bishop of Lavant, Slovenia |
| 15 Sep | 46.1 | Jakob von Liebenstein † | Archbishop of Mainz, Germany |
| 18 Sep | 102.7 | Jorge da Costa, O. Cist. † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 24 Sep | | Francesco Riccardi † | Bishop of Pesaro, Italy |
| 26 Sep | 52.7 | Giovanni Colonna † | Cardinal, Administrator of Rieti, Italy |
| 27 Sep | 66.7 | Hermann von Hessen † | Archbishop of Köln {Cologne}, Germany |
| 27 Sep | 34.7 | Christophe von Zach † | Bishop of Seckau, Austria |
| 23 Oct | | Diego Ramírez de Guzmán † | Bishop of Catania, Italy |
| 16 Nov | | Luigi Contarini † | Patriarch of Venezia {Venice}, Italy |
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