| Date | Age | Bishop | Title |
|---|
| unknown | 49.0 | Jean-Antoine de Touchebœuf de Beaumont des Junies † | Bishop Emeritus of Rennes, France |
| 6 Jan | 75.2 | Francisco Izquierdo y Tavira, O.P. † | Bishop of Lugo, Spain |
| 23 Jan | 84.0 | Michał Jan Zienkowicz † | Bishop of Vilnius, Lithuania |
| 31 Jan | 83.0 | Luigi Guarchi † | Bishop of Tinos and Mykonos, Greece |
| 31 Jan | 70.0 | Antoni Dominik Tyszkiewicz † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 2 Feb | 42.3 | Matías José de Navia Bolaños y Moscoso, O.E.S.A. † | Bishop of Nicaragua |
| 11 Feb | 71.0 | Flaminius Danza † | Bishop of Sant’Agata de’ Goti, Italy |
| 22 Feb | 78.2 | Juan de Castañeda Velásquez y Salazar † | Bishop of Cuzco, Peru |
| 13 Mar | 76.1 | Daniele Delfino † | Cardinal, Archbishop of Udine, Italy |
| 28 Mar | 50.1 | Antonio Maria Erba-Odescalchi † | Cardinal, Cardinal-Priest of Santi Marcellino e Pietro |
| 2 Apr | 54.3 | Johann Franz Anton von Kevenhüller † | Bishop Emeritus of Wiener Neustadt, Austria |
| 12 Apr | 69.8 | Giacinto Silvestri † | Bishop of Orvieto, Italy |
| 20 Apr | | Onufrij Šumljanškyj † | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 27 Apr | 73.9 | Jaime Cortada y Brú † | Archbishop of Tarragona, Spain |
| 28 Apr | 56.6 | Giovanni Angelo Ciocchi del Monte † | Archbishop Emeritus of Brindisi, Italy |
| 30 Apr | 77.3 | Francesco Antonio Leonardis † | Bishop of Bisceglie, Italy |
| 16 May | 68.7 | Nicolò Givovich † | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 22 May | 54.3 | Cezarij (Cezary) Stebnovskyj (Stebnowski), O.S.B.M. † | Archbishop of Smoleńsk (Ukrainian), Russian Federation |
| 3 Jun | 55.7 | Johann Baptist von Thurn Valsassina † | Bishop of Lavant, Slovenia |
| 4 Jun | 82.2 | Antonio Milón López † | Titular Archbishop of Edessa in Osrhoëne |
| 21 Jun | 71.2 | Vincenzo Dominico Bragadin, O.F.M. Cap. † | Bishop of Chioggia, Italy |
| 10 Jul | 66.2 | Innocenzo Sanseverino † | Bishop Emeritus of Alife, Italy |
| 17 Jul | 74.4 | Luca Melchiore Tempi † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 18 Jul | 79.5 | Florian Franciszek Hrebnicki, O.S.B.M. † | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| 1 Aug | 76.9 | Fabio Troyli † | Bishop of Catanzaro, Italy |
| 16 Aug | 66.3 | Márton Bíró de Padány † | Bishop of Veszprém, Hungary |
| 25 Aug | 75.9 | Francesco Riccardo Ferniani † | Bishop of Perugia, Italy |
| 28 Aug | 67.5 | Armand-Jules de Rohan-Guémené † | Archbishop of Reims, France |
| 8 Sep | 61.3 | Francisco José Catalán Ocón † | Bishop of Urgell, Spain |
| 13 Sep | 58.5 | Georg Joseph Wilhelm Aloys Rinck von Baldenstein † | Bishop of Basel, Switzerland |
| 20 Sep | 53.6 | Jerolim Blaž Bonačić † | Bishop of Šibenik (Knin), Croatia |
| 24 Sep | 53.3 | Jan Szemiot † | Titular Bishop of Loryma |
| 25 Sep | 74.8 | Michel de Verthamon de Chavagnac † | Bishop of Montauban, France |
| 30 Sep | 71.5 | José Zorrilla de Sanmartín † | Bishop of Salamanca, Spain |
| Oct | 52.3 | Tommaso de Moncada, O.P. † | Archbishop of Messina, Italy |
| 28 Oct | 71.2 | Hardouin de Châlon de Maisonnoble † | Bishop of Lescar, France |
| 30 Oct | 80.1 | Giulio Capece Scondito † | Bishop of Anglona-Tursi, Italy |
| 11 Nov | 58.3 | Francesco Saverio Maria Queralt y Aragona † | Bishop of Squillace, Italy |
| 12 Nov | 72.0 | Ludovico Merlini † | Cardinal, Cardinal-Priest of San Marcello |
| 2 Dec | 70.6 | José Francisco Biguezal † | Bishop of Ciudad Rodrigo, Spain |
| 6 Dec | 77.9 | Joseph-François Bocaud (Boucaud) † | Bishop of Alet, France |
| 19 Dec | 70.3 | Nicola Manciforte † | Bishop of Ancona e Numana, Italy |
| 20 Dec | 65.7 | Ferdinand Joseph Gabriel von Sarentheim † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 24 Dec | 71.5 | Serafin Torriani, O.F.M. Ref. † | Bishop Emeritus of Pult (Pulati), Albania |
| 31 Dec | 61.2 | Francesco Felice Alberti d’Enno † | Bishop of Trento, Italy |
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