| Date | Age | Bishop | Title |
| unknown | | Luigi Branciforte † | Bishop of Melfi e Rapolla, Italy |
| unknown | | Juan Merlo de la Fuente † | Bishop of Comayagua, Honduras |
| unknown | | Mihalj Pommer (Jahnna), O.F.M. Ref. † | Bishop of Duvno, Bosnia and Herzegovina |
| Jan | 66.0 | Andrzej Kwaśniński-Złoty, O.S.B.M. † | Archbishop of Smoleńsk (Ukrainian), Russian Federation |
| 17 Jan | | Giacondo Turamini † | Bishop of Pienza, Italy |
| 21 Jan | 51.4 | Baccio Aldobrandini † | Cardinal, Cardinal-Priest of Santi Nereo ed Achilleo |
| 24 Jan | 74.0 | Marco Antonio Tomati † | Bishop Emeritus of Bitetto, Italy |
| Feb | | Johann Gobbar † | Auxiliary Bishop of Olomouc (Olmütz), Czechia |
| 29 Mar | 83.2 | Luis Camargo Pacheco † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Apr | 64.2 | Wojciech Pilchowicz † | Auxiliary Bishop of Warmia (Ermland), Poland |
| 5 Apr | 67.8 | Karel van den Bosch † | Bishop of Gent {Ghent, Gand}, Belgium |
| 25 Apr | 80.3 | Christophorus Johannes Reinheld von Reichenau † | Prefect of Lausitz (Lusatia), Germany |
| 2 May | 70.3 | Jean de Lingendes † | Bishop of Mâcon, France |
| 4 May | | Cyr de Villers-la-Faye † | Bishop of Périgueux (Vesuna), France |
| 17 May | 45.3 | Jerzy Białłozor † | Bishop of Vilnius, Lithuania |
| 20 May | 65.3 | Alphonse d’Elbène † | Bishop of Orléans, France |
| 27 May | 80.4 | Acacio March de Velasco, O.P. † | Bishop of Orihuela, Spain |
| 15 Jun | 75.4 | Lazzaro Carafino † | Bishop of Como, Italy |
| 25 Jun | 34.5 | Sigmund Franz von Österreich † | |
| 14 Jul | | Diego Sersale † | Archbishop of Bari (-Canosa), Italy |
| 18 Jul | 80.2 | Diego Arce Reinoso † | Bishop Emeritus of Plasencia, Spain |
| 30 Jul | | Pietro Mariani † | Bishop of Senj (-Modruš), Croatia |
| Sep | | Giuseppe Protospatario † | Bishop of Boiano, Italy |
| 2 Sep | 74.7 | Juan Alonso de Cuevas y Davalos † | Archbishop of México, Federal District |
| 4 Sep | | Angelo Mausoni † | Bishop of Teramo, Italy |
| 17 Sep | 76.5 | Baltasar Moscoso y Sandoval † | Cardinal, Archbishop of Toledo, Spain |
| 8 Oct | | Antonio de Matteis Corano † | Bishop of Sarno, Italy |
| 15 Oct | 78.7 | Gaspar de Villarroel, O.E.S.A. † | Archbishop of La Plata o Charcas, Bolivia |
| 25 Oct | | Paolo Vincenzo Rovero, B. † | Bishop of Asti, Italy |
| Nov | 52.3 | Gabriele Tontoli † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 2 Nov | 68.8 | Paolo Brizio, O.F.M. Obs. † | Bishop of Alba (Pompea), Italy |
| 21 Nov | | Daniel Vitus Nastoupil (Nastaupill, Hapstampsel) † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 8 Dec | 51.9 | Eustache Le Clerc de Lesseville † | Bishop of Coutances, France |