| Date | Age | Bishop | Title |
| unknown | | Timoteo Berardi, O. Carm. † | Bishop of Noli, Italy |
| unknown | | Deigo 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 | | Giovanni Battista Comparini † | Bishop of Fondi (Fundi), Italy |
| unknown | | Jean du Chemin † | Bishop of Condom, France |
| unknown | | Luigi de Franchis, C.R. † | Bishop of Nardň, Italy |
| unknown | | Diodato Gentile, O.P. † | Bishop of Caserta, Italy |
| unknown | 42.0 | Bernardo Giustiniano † | Bishop of Anglona-Tursi, Italy |
| unknown | 82.0 | Jacques Maistret, O. Carm. † | Auxiliary Bishop of Lyon, France |
| unknown | | Alonso de Peralta † | Archbishop of La Plata o Charcas, Bolivia |
| unknown | | Sebastiano Rinaldi † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | | Giulio Rossino † | Archbishop of Amalfi, Italy |
| unknown | | Cornelius Ryan (O’Mulrian), O.F.M. † | Bishop of Killaloe, Ireland |
| unknown | | Ludovico Taverna † | Bishop of Lodi, Italy |
| unknown | | Fulvio Thesauro † | Bishop of Belcastro, Italy |
| unknown | | Fabio Tempestivo † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 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 |
| 12 Mar | | Simone Rao Grimaldi † | Prelate of Santa Lucia del Mela, Italy |
| 4 Apr | 64.3 | Pompeio Arrigoni † | Cardinal, Archbishop of Benevento, Italy |
| 13 Apr | | Andrea Sorbolonghi † | Bishop of Gubbio, Italy |
| 25 May | 50.4 | 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 | 69.5 | 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 † | 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 |
| Sep | 45.7 | Francesco Pendasio † | Bishop of Alba (Pompea), Italy |
| Oct | | René Potier † | Bishop of Beauvais, France |
| 31 Oct | | Antonio Massa † | Bishop of Castro [del Lazio], Italy |
| Nov | 32.8 | Angelo della Ciaja † | Bishop of Teano, Italy |
| 13 Nov | 41.9 | Girolamo Curlo † | Bishop of Ventimiglia, Italy |