| Date | Age | Bishop | Title |
| unknown | | Michelangelo Catalani, O.F.M. Conv. † | Bishop of Isernia, Italy |
| unknown | | Girolamo Cori (de Coris) † | Bishop of Sovana (Soana), Italy |
| unknown | 40.0 | Petrus Deodatus, O.F.M. † | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| unknown | 54.0 | Mauritii Doria † | Bishop of Tinos, Greece |
| unknown | | Constantino Sampaio † | Bishop-Elect of São Salvador da Bahia, Brazil |
| unknown | 68.0 | Giacinto Solaro di Moretta † | Bishop Emeritus of Mondovi, Italy |
| unknown | | Simeone de Summis, O.F.M. † | Bishop of Sapë, Albania |
| unknown | | Bonaventura Teoli, O.F.M. Conv. † | Titular Archbishop of Myra |
| unknown | | Alfonso Vázquez de Toledo, O.F.M. † | Bishop of Cádiz, Spain |
| 6 Jan | 56.3 | Giberto Borromeo † | Cardinal, Cardinal-Priest of Ss. Giovanni e Paolo |
| 19 Jan | | Gian Vincenzo de’ Giuli † | Bishop of Massa Lubrense, Italy |
| 19 Jan | 54.0 | Giovanni Battista Rabbia, C.R. † | Bishop of Lodi, Italy |
| 19 Jan | 83.0 | Alessandro Sperelli, C.O. † | Bishop of Gubbio, Italy |
| 3 Feb | 60.1 | Philipp Valentin Albrecht Voit von Rieneck † | Bishop of Bamberg, Germany |
| 31 Mar | 62.2 | Honuphrius Ippoliti † | Titular Bishop of Porphyreon |
| Apr | | Giovanni Antonio de’ Vecchi † | Bishop of Ischia, Italy |
| 6 Apr | | Juan de Toledo, O.S.H. † | Bishop of León, Spain |
| 21 Apr | 67.3 | Antoine Godeau † | Bishop Emeritus of Grasse, France |
| 4 May | 58.3 | Luis Guillermo (Guillén) de Moncada de Aragón Luna de Peralta y de La Cerda † | Cardinal, Priest |
| 12 May | 38.4 | Rodulphus Acquaviva † | Titular Bishop of Laodicea in Phrygia |
| 6 Jun | 52.4 | Estevão dos Santos Carneiro de Moraes, C.R.S.A. † | Bishop of São Salvador da Bahia, Brazil |
| 18 Jun | 81.5 | Diego Chueca † | Bishop of Teruel, Spain |
| 29 Jun | 66.5 | Francesco Maria Mancini † | Cardinal, Cardinal-Priest of S. Matteo in Merulana |
| 4 Jul | | Francesco Maria Ghislieri † | Bishop of Imola, Italy |
| 12 Jul | 25.3 | Charles de Rosmadec † | Archbishop of Tours, France |
| Aug | 37.6 | Francesco Antonio Curzio † | Bishop of Bovino, Italy |
| Aug | 52.6 | Jacobus Lenza, O.S.B. † | Archbishop of Conza, Italy |
| 7 Aug | | Pier Luigi Carafa, C.R. † | Bishop of Tricarico, Italy |
| 13 Aug | | Giacomo Filippo Bescapè † | Bishop of Ascoli Satriano, Italy |
| 13 Aug | 58.9 | Adrian von Riedmatten (III) † | Bishop of Sion {Sitten}, Switzerland |
| 15 Aug | 62.8 | Franz Maximilian Vaccano † | Bishop of Trieste, Italy |
| 23 Aug | 72.6 | Tommaso Acquaviva d’Aragona, O.P. † | Bishop of Bitonto, Italy |
| 26 Aug | 67.7 | Mateo de Sagade (Lazo de) Bugueiro † | Archbishop of Cartagena (en España) |
| 30 Aug | | Gonzalo Bravo de Grajera † | Bishop of Coria, Spain |
| 4 Sep | | Diego Escolano y Ledesma † | Archbishop of Granada, Spain |
| 12 Sep | | Jean-Dominique Ithier † | Bishop of Glandèves, France |
| 30 Sep | 54.7 | Rinaldo d’Este † | Cardinal, Cardinal-Bishop of Palestrina |
| Oct | 73.8 | Girolamo Melzi † | Bishop of Pavia, Italy |
| 12 Oct | | Bernard de Sariac † | Bishop of Aire, France |
| 18 Nov | 71.9 | Azon Ariosti † | Archbishop of Avignon, France |
| 18 Nov | 42.8 | Giovanni Rasino † | Bishop of Vigevano, Italy |
| Dec | 65.9 | Matthaeus Scrivanelli † | Bishop of Ossero (Osor), Croatia |
| 16 Dec | 63.6 | Jan Kazimierz Wazy, S.J. † | Cardinal, |
| 20 Dec | 91.0 | Nicolau Monteiro, C.O. † | Bishop of Porto, Portugal |
| 21 Dec | 65.0 | Vincentius Margarit, O.P. † | Bishop of Perpignan-Elne, France |
| 29 Dec | 70.0 | Sebastiano d’Alessandro, O. Carm. † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 31 Dec | 58.0 | Placido Carafa, C.R. † | Bishop of Acerra, Italy |