| Date | Age | Bishop | Title |
| unknown | 75.8 | Marcello Papiniano-Cusani † | Archbishop Emeritus of Palermo, Italy |
| 9 Jan | 71.8 | 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 | 66.6 | Asensio Sales † | Bishop of Barcelona, Spain |
| 18 Jan | 61.8 | Giuseppe Lancellotti, O.F.M. Conv. † | Bishop of Isola, Italy |
| 20 Jan | 55.0 | Francisco San Andrés, O.S.H. † | Auxiliary Bishop of Salamanca, Spain |
| 22 Jan | 41.0 | Pierre-Jean Kerhervé, M.E.P. † | Priest of La Société des Missions Etrangères |
| 23 Jan | 69.4 | 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 | 63.0 | Hervé-Nicolas Thépault de Brignou † | Bishop of Saint-Brieuc, France |
| 5 Feb | 85.2 | Antonio Guglielmi † | Archbishop of Urbino, Italy |
| 18 Mar | 77.6 | Diego Rivera Higuera, O. de M. † | Bishop of Barbastro, Spain |
| 27 Mar | 72.4 | Arcangelo Lupi, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 13 Apr | 57.6 | Esteban Villanova Colomer † | Bishop of Tarazona, Spain |
| 14 Apr | 67.9 | Domenico Pasqualigo † | Bishop of Scardona (Skradin), Croatia |
| 19 Apr | 77.2 | Nicola Paolo Pandolfelli † | Bishop of Mottola (Motula), Italy |
| 1 May | 42.3 | Franciszek Kobielski † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 11 May | 65.3 | Romualdo Velarde y Cienfuegos † | Bishop of Ávila, Spain |
| 16 May | 64.8 | Francesco Antonio Salomone † | Bishop of Carinola (Calina), Italy |
| 19 May | | Tobie El-Khazen † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 2 Jun | 63.9 | Franciszek Kazimierz Dowgiałło Zawisza † | Auxiliary Bishop of Inflanty (Livonia)-Pilten, Poland |
| 4 Jun | 75.7 | António de Sousa Tavora, O.E.S.A. † | Bishop of Porto, Portugal |
| 4 Jul | 55.9 | Tomaso Ignazio Maria Natta, O.P. † | Archbishop Emeritus of Cagliari, Italy |
| 6 Jul | 85.4 | Johann Christian Adam von Königsfeld † | Titular Bishop of Erythrae |
| 18 Jul | 64.5 | Jean Pierre Paul Joseph de Brunet de Pujols de Castelpers de Panat † | Auxiliary Bishop of Albi, France |
| 24 Jul | 66.3 | Filippo Acciaioli † | Cardinal, Bishop of Ancona e Numana, Italy |
| 2 Aug | 62.9 | 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 | 66.2 | Felipe Ruiz de Ausmendi † | Archbishop of Santo Domingo, Dominican Republic |
| 9 Sep | 68.9 | Franz Ignaz Albert von Werdenstein † | Auxiliary Bishop of Freising, Germany |
| 15 Sep | 53.6 | Johann Anton von Wolframsdorf † | Auxiliary Bishop of Regensburg, Germany |
| 3 Oct | 66.1 | José Vidal de Moctezuma y Tobar, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 9 Oct | 81.8 | Giovanni Battista Rovero (Rotario da Pralormo) † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 25 Oct | 61.6 | Walenty Franciszek Wężyk † | Bishop of Przemyśl, Poland |
| Nov | | Anthony O’Garvey † | Bishop of Dromore, Ireland |
| 9 Nov | 64.8 | Isidro Alfonso Cavanillas † | Bishop of Zamora, Spain |
| 15 Dec | 68.4 | Adam Stanisław Grabowski † | Bishop of Warmia (Ermland), Poland |