| Date | Age | Bishop | Title |
| unknown | 63.6 | Franciscus Casimirus Dowgiałło Zawisza † | Auxiliary Bishop of Foreign Diocese |
| unknown | 75.9 | Marcello Papiniano-Cusani † | Archbishop Emeritus of Palermo, Italy |
| unknown | 76.9 | Nicola Paolo Pandolfelli † | Bishop of Mottola (Motula), Italy |
| 9 Jan | 71.9 | Valentín Moran Menéndez, O. de M. † | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain |
| 15 Jan | 59.4 | Giovanni Francesco Mora, C.O. † | Bishop of Adria, Italy |
| 17 Jan | 66.7 | Asensio Sales † | Bishop of Barcelona, Spain |
| 18 Jan | 61.9 | Giuseppe Lancellotti, O.F.M. Conv. † | Bishop of Isola, Italy |
| 20 Jan | 55.1 | Francisco San Andrés, O.S.H. † | Auxiliary Bishop of Salamanca, Spain |
| 22 Jan | | Petrus Joannes Kerkhervé † | Titular Bishop of Gortyna |
| 23 Jan | 70.1 | Jean-François de La Cropte de Bourzac † | Bishop of Noyon, France |
| 24 Jan | 82.8 | Louis-François-Renaud de Villeneuve † | Bishop of Montpellier, France |
| 26 Jan | 63.1 | Hervé-Nicolas Thépault de Brignou † | Bishop of Saint-Brieuc, France |
| 5 Feb | 85.3 | Antonio Guglielmi † | Archbishop of Urbino, Italy |
| 18 Mar | 77.7 | Diego Rivera Higuera, O. de M. † | Bishop of Barbastro, Spain |
| 27 Mar | 72.5 | Arcangelo Lupi, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 13 Apr | 57.7 | Esteban Villanova Colomer † | Bishop of Tarazona, Spain |
| 14 Apr | 68.0 | Dominicus Pasqualigo † | Bishop of Scardona (Skradin), Italy |
| 1 May | 42.3 | Franciszek Kobielski † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 11 May | 65.4 | Romualdo Velarde Cienfuegos † | Bishop of Avila, Spain |
| 16 May | 64.9 | Francesco Antonio Salomone † | Bishop of Carinola (Calina), Italy |
| 19 May | | Tobie El-Khazen † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 26 May | 50.7 | Gennaro Maria Albertini, C.R. † | Bishop of Caserta, Italy |
| 4 Jun | 75.8 | António de Sousa, O.S.A. † | Bishop of Porto, Portugal |
| 3 Jul | 55.9 | Tommaso Ignazio Natta, O.P. † | Archbishop Emeritus of Cagliari, Italy |
| 6 Jul | 85.5 | Johann Christian Adam von Königsfeld † | Titular Bishop of Erythrae |
| 24 Jul | 66.4 | Filippo Acciaioli (Acciajuoli) † | Cardinal, Bishop of Ancona e Numana, Italy |
| 20 Aug | 63.6 | Bertrand-Jean-Baptiste-René du Guesclin † | Bishop of Cahors, France |
| 24 Aug | 64.7 | Diego Andrea Tomacelli † | Bishop of Marsico Nuovo, Italy |
| 30 Aug | 45.5 | Panfilo Antonio Mazzara † | Bishop of Teramo, Italy |
| 8 Sep | 66.3 | Felipe Ruiz de Ausmendi † | Bishop of Santo Domingo, Dominican Republic |
| 9 Sep | 68.9 | Franz Ignaz Albert von Werdenstein † | Auxiliary Bishop of Freising, Germany |
| 15 Sep | 53.7 | Johann Anton von Wolframsdorf † | Auxiliary Bishop of Regensburg, Germany |
| 2 Oct | 70.8 | José Vidal de Moctezuma y Tobar, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 9 Oct | 81.9 | Giovanni Battista Rotario da Pralormo (Rovero) † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 25 Oct | 61.7 | Walenty Franciszek Wężyk † | Bishop of Przemyśl, Poland |
| 9 Nov | 63.9 | Isidro Alfonso Cavanillas † | Bishop of Zamora, Spain |
| 15 Dec | 68.3 | Adam Stanisław Grabowski † | Bishop of Warmia (Ermland), Poland |