| Date | Age | Bishop | Title |
| unknown | | Beltramino Beltramini † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Matteo Barbabianca † | Bishop of Pula (Pola), Croatia |
| unknown | | Rinaldo Corso † | Bishop of Strongoli, Italy |
| unknown | | Bonifacio Destefanis, O.F.M. † | Bishop of Stagno (Ston), Croatia |
| unknown | | François de Lambert † | Bishop of Nice, France |
| unknown | | Angelo de Marzi Medici † | Bishop of Marsico Nuovo, Italy |
| unknown | | Alvise Michiel † | Archbishop of Split (Spalato), Croatia |
| unknown | | Giovanni Retana † | Archbishop of Messina, Italy |
| unknown | | Jan Sieniński † | Archbishop of Lviv, Ukraine |
| 27 Jan | | Ippolito Bosco † | Bishop of Foligno, Italy |
| Feb | | Orazio Malaspina † | Bishop of Albenga, Italy |
| 8 Feb | | Nicola Perusco † | Bishop of Civita Castellana e Orte, Italy |
| 16 Feb | | Alessandro Casale † | Bishop of Vigevano, Italy |
| 22 Mar | 60.0 | Daniel Brendel von Homburg † | Archbishop of Mainz, Germany |
| 18 Apr | | Balduino de Balduinis † | Bishop of Aversa, Italy |
| 18 May | 63.4 | Wilhelm von Ketteler † | Former Bishop-Elect of Münster, Germany |
| 25 Jun | | Giovanni Battista Soriani, O. Carm. † | Bishop of Bisceglie, Italy |
| 2 Jul | | Sébastien de L’Aubespine † | Bishop of Limoges, France |
| 13 Aug | | Giovanni Battista Alamanni † | Bishop of Mâcon, France |
| 16 Aug | | Gil Ruiz de Lihori, C.R.S.A. † | Bishop of Segorbe, Spain |
| 30 Aug | | Jacques Corneillan † | Bishop of Rodez, France |
| 25 Sep | | Martino de Martinis, S.J. † | Bishop of San Severo, Italy |
| Oct | | António Pinheiro † | Bishop of Leiria, Portugal |
| 16 Oct | | Antonio de Zayas, O.F.M. † | Bishop Emeritus of Nicaragua |
| 28 Oct | 63.2 | Vincenzo Giustiniani, O.P. † | Cardinal, Cardinal-Priest of Santa Sabina |
| 21 Nov | | Pierre de Faur † | Bishop of Lavaur, France |
| 26 Dec | | Diego Torquemada † | Bishop of Tui, Spain |