| Date | Age | Bishop | Title |
|---|
| unknown | | Erhard Baumgartner † | Bishop of Lavant, Slovenia |
| unknown | | Angelo Castalsi † | Bishop of Isola, Italy |
| unknown | | Angelo Lacerti † | Bishop of Molfetta, Italy |
| unknown | | João Lobo † | Bishop of Tanger, Morocco |
| unknown | | Fabrizio Marliani † | Bishop of Piacenza, Italy |
| unknown | | Jean Vasseur, O.P. † | Auxiliary Bishop of Thérouanne, France |
| 7 Jan | | Bonfrancesco Arlotti † | Bishop of Reggio Emilia, Italy |
| 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 |
| 7 Mar | | Fabrizio Varano † | Bishop of Camerino, Italy |
| 18 Mar | 51.2 | Antonio Trivulzio (Sr.), O.C.R.S.A. † | Cardinal, Bishop of Como, Italy |
| 23 Apr | | García Ramírez Villaescusa † | Bishop of Oviedo, Spain |
| 4 May | | Christoph Mendel von Steinfels † | Bishop of Chiemsee, Germany |
| 19 May | | Antonio Soriano, O. Cart. † | Patriarch of Venezia {Venice}, Italy |
| 23 Jul | | Antonio Ferrero † | Cardinal, Bishop of Gubbio, Italy |
| 7 Aug | | Francesco Brevio † | Bishop of Ceneda, Italy |
| 15 Sep | 46.1 | Jakob von Liebenstein † | Archbishop of Mainz, Germany |
| 18 Sep | 102.7 | Jorge da Costa † | 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 |
| 19 Oct | 66.8 | Hermann von Hessen † | Archbishop of Köln {Cologne}, Germany |
| 23 Oct | | Diego Ramírez de Guzmán † | Bishop of Catania, Italy |
| 16 Nov | | Lodovico Contarini † | Patriarch of Venezia {Venice}, Italy |
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