| Date | Age | Bishop | Title |
|---|
| unknown | | Matteo Testa Piccolomini † | Archbishop of Reggio Calabria, Italy |
| unknown | | António de Sousa † | Bishop of Porto, Portugal |
| unknown | | Diego Andrea Tomacelli † | Bishop of Marsico Nuovo, Italy |
| unknown | 61.0 | Walenty Franciszek Wężyk † | Bishop of Przemyśl, Poland |
| 9 Jan | 71.9 | Valentín Moran Menéndez, O. de M. † | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain |
| 17 Jan | 66.7 | Asensio Sales † | Bishop of Barcelona, Spain |
| 20 Jan | 55.1 | Francisco San Andrés, O.S.H. † | Auxiliary Bishop of Salamanca, Spain |
| 23 Jan | 70.1 | Jean-François de La Cropte de Bourzac † | Bishop of Noyon, France |
| 26 Jan | 63.1 | Hervé-Nicolas Thépault de Brignou † | Bishop of Saint-Brieuc, France |
| 18 Mar | 77.7 | Diego Rivera Higuera, O. de M. † | Bishop of Barbastro, Spain |
| 13 Apr | 57.7 | Esteban Villanova Colomer † | Bishop of Tarazona, Spain |
| 11 May | 65.4 | Romualdo Velarde Cienfuegos † | Bishop of Avila, Spain |
| 24 Jun | 83.2 | Louis-François-Renaud de Villeneuve † | Bishop of Montpellier, France |
| 6 Jul | 85.5 | Johann Christian Adam Reichsfreiherr von Königsfeld † | Titular Bishop of Erythrae |
| 24 Jul | 66.4 | Filippo Acciajuoli † | Cardinal, Bishop of Ancona e Numana, Italy |
| 20 Aug | 63.6 | Bertrand-Jean-Baptiste-René du Guesclin † | Bishop of Cahors, France |
| 8 Sep | 66.3 | Felipe Ruiz de Ausmendi † | Bishop of Santo Domingo, Dominican Republic |
| 9 Sep | 68.9 | Franz Ignaz Albert Reichsfreiherr von Werdenstein † | Auxiliary Bishop of Freising, Germany |
| 15 Sep | 53.7 | Johann Anton Reichsfreiherr 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), Chiapas, México |
| 9 Nov | 63.9 | Isidro Alfonso Cavanillas † | Bishop of Zamora, Spain |
| 15 Dec | 68.3 | Adam Stanisław Grabowski † | Bishop of Warmia, Poland |
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