| Date | Age | Bishop | Title |
|---|
| unknown | | Ortensio Battisti † | Bishop of Veroli, Italy |
| unknown | | Agapito Bellomo † | Bishop of Caserta, Italy |
| unknown | 52.0 | Francesco Bonfiglio, O.F.M. Conv. † | Bishop of Ascoli Satriano (Puglia), Italy |
| unknown | | Clemente Bontodasio, O.F.M. Conv. † | Bishop of Nicastro, Italy |
| unknown | 99.0 | Antoine d’Acqs (Dax) † | Bishop of Alet, France |
| unknown | | Marco Grimani † | Bishop of Tinos and Mykonos, Greece |
| unknown | | Andrew O’Crean, O.P. † | Bishop of Elphin, Ireland |
| unknown | | Giambattista Palma † | Bishop of Massa Lubrense, Italy |
| unknown | | Giorgio Palma † | Bishop of Sapë, Albania |
| unknown | | Julien de Saint-Germain, O.F.M. Cap. † | Coadjutor Bishop of Paris, France |
| unknown | | Marcello Sirleto † | Bishop of Squillace, Italy |
| unknown | | Fulvio Teofili † | Bishop of Forli, Italy |
| unknown | 73.0 | Nicola Antonio Vitelli † | Bishop of Carinola (Calina), Italy |
| unknown | 74.0 | Lelio Zanchi † | Bishop of Rethymo (Calamona), Greece |
| 2 Jan | | Girolamo Rustici † | Bishop Emeritus of Tropea, Italy |
| 5 Feb | 81.4 | François de Foix de Candale † | Bishop of Aire, France |
| 15 Feb | 46.1 | Edmund MacGauran (Magauran) † | Archbishop of Armagh, Ireland |
| 9 Mar | | Juan Ochoa Salazar † | Bishop of Plasencia, Spain |
| 26 Mar | 41.2 | Ludovico Alferio † | Bishop of San Marco (Argentano), Italy |
| 28 Mar | 75.4 | Nicolas de Pellevé † | Cardinal, Archbishop of Reims, France |
| 10 Apr | | Carlo Montigli † | Bishop of Viterbo e Tuscania, Italy |
| 29 Apr | | Settimio Borserio † | Bishop of Casale Monferrato, Italy |
| 5 May | | Fernando Miguel de Prado † | Bishop of Palencia, Spain |
| 12 May | 75.3 | Remigius (Remi) Driutius (Drieux) † | Bishop of Brugge {Bruges}, Belgium |
| 15 May | | Cyprian Wiliński (Wiliski), O.P. † | Auxiliary Bishop of Vilnius, Lithuania |
| 23 May | 44.3 | Gregor Leisentrit † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 31 May | 46.4 | Francesco Panigarola (Panicarola), O.F.M. Obs. † | Bishop of Asti, Italy |
| 4 Jul | | Giovanni Agostino Campanile † | Bishop of Minori, Italy |
| 8 Jul | | Jan van Strijen † | Bishop of Middelburg, Netherlands |
| 9 Jul | | Jean Munier † | Bishop-Elect of Noyon, France |
| 11 Jul | 68.5 | Onorato Lascaris, C.R.S.A. † | Bishop of Aosta, Italy |
| 30 Jul | 32.3 | Charles Bourbon de Vendôme † | Cardinal, Archbishop-Elect of Rouen, France |
| Aug | | Mario Farullo, O.F.M. Conv. † | Bishop of Castro di Puglia, Italy |
| 9 Aug | 49.6 | Matteo Brumani, C.R.S.A. † | Bishop of Melfi e Rapolla, Italy |
| 13 Aug | | Angelo Calepio, O.P. † | Bishop Emeritus of Santorini {Thira}, Greece |
| 15 Aug | | Angelo Gradi, O.F.M. Conv. † | Bishop Emeritus of Nona (Nin), Croatia |
| 17 Aug | 77.6 | Bartolomé Martinez Menacho y Mesa (Mechado) † | Archbishop of Santafé en Nueva Granada, Colombia |
| 22 Aug | | Raymond Cavalésy, O.P. † | Bishop of Nîmes, France |
| 27 Aug | 51.4 | Martin von Eyb † | Former Bishop-Elect of Bamberg, Germany |
| 28 Aug | 49.6 | Johann Kaspar Neuböck † | Bishop of Wien, Austria |
| Oct | | Giovanni Battista Serignano, O.P. † | Bishop of Scala, Italy |
| 1 Oct | | Sigismondo Zanettini † | Archbishop of Fermo, Italy |
| 11 Oct | 61.7 | Annibale Muzi † | Bishop of Termoli, Italy |
| 14 Oct | 63.7 | Luca Cardino † | Bishop of Terracina, Priverno e Sezze, Italy |
| 16 Oct | 62.7 | William Allen † | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| 20 Oct | 36.7 | Alvise Cornaro † | Bishop of Padova {Padua}, Italy |
| 12 Nov | 82.8 | Gaspar de Quiroga y Vela † | Cardinal, Archbishop of Toledo, Spain |
| 20 Nov | | Martín Garnica † | Bishop of Osma, Spain |
| Dec | | Pedro Duque de Rivera, S.J. † | Bishop of Panamá |
| 4 Dec | 82.9 | Domingo Salazar, O.P. † | Bishop of Manila, Philippines |
| 12 Dec | | Jaime Ximeno Lobera † | Bishop of Teruel, Spain |
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