| Date | Age | Bishop | Title |
|---|
| unknown | | Diego de Borja, O.F.M. † | Bishop of Ales e Terralba, Italy |
| unknown | | Ottaviano Capece † | Bishop of Nicotera, Italy |
| unknown | 56.0 | Giacomo Antonio Caporali † | Bishop of Minervino Murge, Italy |
| unknown | 68.0 | Giovanni Battista Comparini † | Bishop of Fondi (Fundi), Italy |
| unknown | 76.0 | Jean du Chemin † | Bishop of Condom, France |
| unknown | 61.0 | Cristovăo de Jesu Fonseca, O.SS.T. † | Auxiliary Bishop of Évora, Portugal |
| unknown | 42.0 | Bernardo Giustiniano † | Bishop of Anglona-Tursi, Italy |
| unknown | | Jesu-Yab † | Archbishop of Urmyā {Rezayeh} (Chaldean), Iran |
| unknown | | Sebastiano Raynaldi † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | | Cornelius Ryan (O’Mulrian), O.F.M. Obs. † | Bishop of Killaloe, Ireland |
| unknown | | Fulvio Tesorieri † | Bishop of Belcastro, Italy |
| unknown | | Fabio Tempestivi † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 9 Jan | 76.0 | Giulio Rossino † | Archbishop of Amalfi, Italy |
| 14 Jan | 39.0 | Theodor Riphaen † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 15 Jan | | Luca Semproni † | Bishop of Cittŕ di Castello, Italy |
| 17 Feb | 84.1 | Pierre de Gondi † | Cardinal, Bishop Emeritus of Paris, France |
| 7 Mar | 64.1 | Rui Pires da Veiga † | Bishop of Elvas, Portugal |
| 12 Mar | | Simone Rao Grimaldi † | Prelate of Santa Lucia del Mela, Italy |
| Apr | 61.2 | Diodato Gentile, O.P. † | Bishop of Caserta, Italy |
| 4 Apr | 64.2 | Pompeio Arrigoni † | Cardinal, Archbishop of Benevento, Italy |
| 13 Apr | | Andrea Sorbolonghi † | Bishop of Gubbio, Italy |
| 18 Apr | | Timoteo Berardi, O. Carm. † | Bishop of Noli, Italy |
| 18 Apr | 73.2 | Giulio Giustiniani † | Bishop of Ajaccio, France |
| 27 Apr | 70.1 | Francesco Barbaro † | Patriarch of Aquileia, Italy |
| 25 May | 50.3 | Filippo Spinelli † | Cardinal, Bishop of Aversa, Italy |
| 6 Jun | | Gian Giacomo Diedo † | Bishop of Crema, Italy |
| 12 Jun | 83.4 | Diego Vázquez de Mercado † | Archbishop of Manila, Philippines |
| 17 Jun | 55.6 | Pedro Vega † | Bishop of Cartagena, Colombia |
| 24 Jun | 69.4 | Orazio Spínola † | Cardinal, Archbishop of Genova, Italy |
| 4 Jul | | Francisco de Vera-Villavicencio, O. de M. † | Bishop of Perpignan-Elne, France |
| 7 Jul | 51.5 | Wilhelm von Essern (Effern) † | Bishop of Worms, Germany |
| 7 Jul | 64.5 | Karel-Filips de Rodoan † | Bishop of Brugge {Bruges}, Belgium |
| 13 Jul | 73.5 | Piotr Tylicki † | Bishop of Kraków, Poland |
| 29 Jul | 56.5 | Adrien d’Amboise † | Bishop of Tréguier, France |
| Sep | 45.6 | Francesco Pendasio † | Bishop of Alba (Pompea), Italy |
| 4 Oct | 42.7 | René Potier † | Bishop of Beauvais, France |
| 14 Oct | 68.7 | Martin Brenner † | Bishop Emeritus of Seckau, Austria |
| 31 Oct | | Antonio Massa † | Bishop of Castro [del Lazio], Italy |
| Nov | 32.8 | Angelo Della Ciaia † | Bishop of Teano, Italy |
| 13 Nov | 41.8 | Girolamo Curlo † | Bishop of Ventimiglia, Italy |
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