| Date | Age | Bishop | Title |
|---|
| unknown | | Giovanni Battista Baldi † | Bishop of Nebbio, France |
| unknown | 45.0 | Jerónimo Barreto † | Bishop of Faro {Algarve}, Portugal |
| unknown | 53.0 | Pietro Bembo † | Bishop of Krk (Veglia), Croatia |
| unknown | | Felice Bertodano † | Bishop of Mondovi, Italy |
| unknown | | Jacques Desprez de Montpezat † | Bishop-Elect of Montauban, France |
| unknown | 56.0 | Andrija Dudić (Dudith Sbardellati) † | Bishop Emeritus of Pécs, Hungary |
| unknown | | Diego de León, O. Carm. † | Auxiliary Bishop of Manfredonia, Italy |
| unknown | | Fabio Polverone † | Bishop of Ischia, Italy |
| unknown | | Girolamo Riggio † | Prelate of Santa Lucia del Mela, Italy |
| unknown | | Francesco Antonio Santorio † | Archbishop of Acerenza e Matera, Italy |
| unknown | | Luca Spingaroli, O.P. † | Bishop of Šibenik (Knin), Croatia |
| unknown | | Lelio (Aurelio) Zibramonti (Gibramontis) † | Bishop of Casale Monferrato, Italy |
| 2 Jan | 68.0 | Stefano (Agostino) Bonucci, O.S.M. † | Cardinal, Bishop of Arezzo, Italy |
| 5 Jan | 62.0 | Joannes Hauchin † | Archbishop of Mechelen, Belgium |
| 30 Jan | | Antonio Manrique, O.F.M. Obs. † | Bishop of Calahorra y La Calzada, Spain |
| 30 Jan | | Bartolomé Molina † | Bishop of Tuy, Spain |
| 31 Jan | | Hector Wegmann † | Auxiliary Bishop of Passau, Germany |
| 2 Mar | 68.4 | Alessandro Farnese (Jr.) † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 23 Mar | 76.3 | Marcin Kromer † | Bishop of Warmia (Ermland), Poland |
| 15 Apr | 55.2 | Paolo del Grasso, C.R.L. † | Bishop of Cefalonia e Zante, Greece |
| 24 Apr | 47.3 | Marco Antonio Marsilio † | Archbishop of Salerno, Italy |
| 13 May | 60.8 | Julius von Braunschweig-Lüneburg † | Former Bishop-Elect of Minden, Germany |
| 1 Jun | | Giovanni Francesco Mazza de' Canobbi † | Bishop Emeritus of Forli, Italy |
| 6 Jul | | Christoph Schlattl † | Bishop of Chiemsee, Germany |
| Sep | | Thomas Cammerota (Malatesta), O.P. † | Bishop of Vieste, Italy |
| 15 Sep | | Louis de Brezé † | Bishop Emeritus of Meaux, France |
| 20 Sep | | Giulio Carrara † | Bishop of Rethymo (Calamona), Greece |
| 29 Sep | 69.7 | Donald McGonagle (MacGongail) † | Bishop of Raphoe, Ireland |
| 2 Oct | 75.0 | Prospero Publicola Santacroce † | Cardinal, Cardinal-Bishop of Albano |
| Nov | | Albert de Thill † | Bishop of Deventer, Netherlands |
| 24 Nov | 82.8 | Agustín Gormaz (Coruńa) Velasco, O.S.A. † | Bishop of Popayán, Colombia |
| 4 Dec | 69.9 | Bernardino Gómez Miedes † | Bishop of Albarracin, Spain |
| 6 Dec | 70.9 | Michael Dornvogel † | Auxiliary Bishop Emeritus of Augsburg, Germany |
| 16 Dec | | Alberto Aguayo, O.P. † | Bishop-Elect of Astorga, Spain |
| 30 Dec | 78.9 | Juan Bautista Cardona † | Bishop of Tortosa, Spain |
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