| Date | Age | Bishop | Title |
| unknown | 52.7 | Jan Szemiot † | Titular Bishop of Loryma |
| 6 Jan | 75.3 | Francisco Izquierdo y Tavira, O.P. † | Bishop of Lugo, Spain |
| 23 Jan | | Mikołaj Jan Zienkowicz † | Bishop of Vilnius, Lithuania |
| 31 Jan | 83.1 | Luigi Guarchi † | Bishop of Tinos, Greece |
| 31 Jan | 70.1 | Antoni Dominik Tyszkiewicz † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 2 Feb | 42.4 | Matías de Navia Bolaños y Moscoso, O.S.A. † | Bishop of Nicaragua |
| 11 Feb | 71.1 | Flaminius Danza † | Bishop of Sant’Agata de’ Goti, Italy |
| 22 Feb | 78.3 | Juan de Castañeda Velásquez y Salazar † | Bishop of Cuzco, Peru |
| 13 Mar | 76.1 | Daniele Delfino † | Cardinal, Archbishop of Udine, Italy |
| 28 Mar | 50.2 | Antonio Maria Erba-Odescalchi † | Cardinal, Cardinal-Priest of Santi Marcellino e Pietro |
| 2 Apr | 54.4 | Johann Franz Anton von Khevenhüller † | Bishop Emeritus of Wiener Neustadt, Austria |
| 15 Apr | 69.9 | Giacinto Silvestri † | Bishop of Orvieto, Italy |
| 27 Apr | 73.9 | Jaime Cortada Bru † | Archbishop of Tarragona, Spain |
| 28 Apr | 56.6 | Giovanni Angelo Ciocchi del Monte † | Archbishop Emeritus of Brindisi, Italy |
| 30 Apr | 77.4 | Francesco Antonio Leonardis † | Bishop of Bisceglie, Italy |
| 16 May | 68.8 | Nicolaus Givovich † | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 3 Jun | 55.8 | Johann Baptist von Thurn und Taxis † | Bishop of Lavant, Slovenia |
| 4 Jun | 82.2 | Antonio Milón López † | Archbishop of the Titular See |
| 4 Jun | 82.3 | Antonius Milon † | Titular Archbishop of Edessa in Osrhoëne |
| 21 Jun | 71.3 | Vincenzo Bragadin, O.F.M. Cap. † | Bishop of Chioggia, Italy |
| 10 Jul | 66.3 | Innocenzo Sanseverino † | Bishop Emeritus of Alife, Italy |
| 17 Jul | 74.4 | Luca Melchiore Tempi † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 18 Jul | | Florianus Hrebnicki † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 1 Aug | 77.0 | Fabius Troyli † | Bishop of Catanzaro, Italy |
| 16 Aug | 66.3 | Márton Bíró † | Bishop of Veszprém, Hungary |
| 25 Aug | 76.0 | 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 | 58.6 | Joseph Wilhelm Rinck von Balderstein † | Bishop of Basel, Switzerland |
| 20 Sep | 53.6 | Hieronymus Blasius Bonaccich † | Bishop of Šibenik (Knin), Croatia |
| 25 Sep | 73.7 | Michel de Verthamon de Chavagnac † | Bishop of Montauban, France |
| 30 Sep | 71.5 | José Zorrilla Sanmartín † | Bishop of Salamanca, Spain |
| Oct | 52.4 | Tommaso de Moncada, O.P. † | Archbishop of Messina, Italy |
| 28 Oct | 67.8 | Hardouin de Chaslon de Maisonnoble † | Bishop of Lescar, France |
| 30 Oct | 80.2 | Guilio Capece Scondito † | Bishop of Anglona-Tursi, Italy |
| 10 Nov | 58.4 | Francesco Saverio Maria Queraldi y Aragona † | Bishop of Squillace, Italy |
| 12 Nov | 72.9 | 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 |
| 9 Dec | 70.3 | Niccolò Mancinforte † | Bishop of Ancona e Numana, Italy |
| 20 Dec | 65.7 | Ferdinand Joseph Gabriel von Sarnthein † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 24 Dec | 71.5 | Seraphinus Torriani, O.F.M. † | Bishop Emeritus of Pult, Albania |
| 31 Dec | 61.2 | Francesco Felice Alberti d’Enno † | Bishop of Trento, Italy |