| Date | Age | Bishop | Title |
| unknown | | Emmanuele Brancaccio, O.S.B. † | Bishop of Ariano, Italy |
| unknown | | Andrea Soffiani † | Bishop of Chios (Scio), Greece |
| 10 Jan | 55.3 | João Duarte do Sacramento, C.O. † | Bishop-Elect of Olinda, Brazil |
| 10 Jan | 79.5 | Gabriel de Esparza Pérez † | Bishop of Calahorra y La Calzada, Spain |
| 23 Feb | 79.3 | Jodok Brendt † | Auxiliary Bishop Emeritus of Passau, Germany |
| 26 Feb | 68.2 | Domingo Fernández Navarrete, O.P. † | Archbishop of Santo Domingo, Dominican Republic |
| 3 Mar | 76.8 | Marijan Lisnjić, O.F.M. † | Bishop of Makarska, Croatia |
| 4 Mar | | Hercule Berzet † | Bishop of Saint-Jean-de-Maurienne, France |
| 24 Mar | 70.9 | Georg Sigismund Müller † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 10 Apr | 63.3 | Ján Gubasóczy † | Archbishop of Kalocsa, Hungary |
| 7 May | | Paolo Carafa, C.R. † | Bishop of Aversa, Italy |
| 6 Jun | 61.4 | Johannes Baptista van Neercassel † | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 9 Jun | 63.4 | Diego de Castrillo † | Archbishop of Zaragoza, Spain |
| 13 Jun | 65.4 | João da Madre de Deus Araújo, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil |
| 22 Jun | 68.5 | Franz Weinhart † | Auxiliary Bishop of Regensburg, Germany |
| 5 Jul | 67.4 | Hyacinthus Dimitri, O.P. † | Bishop of Senj (-Modruš), Croatia |
| 2 Aug | 82.6 | Faustino de Las Cases, O. de M. † | Bishop of Paraguay |
| 27 Aug | 82.8 | Michelangelo Bonadies, O.F.M. † | Bishop of Catania, Italy |
| 19 Sep | | Nicolás de Ulloa y Hurtado de Mendoza, O.S.A. † | Bishop of Córdoba (Tucumán), Argentina |
| Oct | 67.8 | Carlo Sgombrino † | Bishop of Catanzaro, Italy |
| 19 Oct | | Egidio Colonna, O.S.B. † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 30 Nov | 64.9 | Aleksander Kotowicz † | Bishop of Vilnius, Lithuania |
| 5 Dec | 48.9 | Bl. Niels Stensen † | Vicar Apostolic of Nordic Missions, Germany |
| 9 Dec | 59.9 | Andreas Daniel von Rauchnach † | Bishop of Pedena, Austria |
| 11 Dec | 56.9 | Gaspar Barata de Mendonça † | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 21 Dec | 63.9 | Nicola Lepori, O.P. † | Bishop of Saluzzo, Italy |