| Date | Age | Bishop | Title |
| unknown | | Pedro Arévalos, O.S.H. † | Bishop of Cartagena, Colombia |
| unknown | | Alonso Cristóbal Arguellada † | Auxiliary Bishop of Sigüenza, Spain |
| unknown | | Francisco Balaguier † | Bishop of Bazas, France |
| unknown | | Lodovico Beccatelli (Beccadelli) † | Archbishop Emeritus of Dubrovnik (Ragusa), Croatia |
| unknown | | Bartolomeo Capranica † | Bishop of Carinola (Calina), Italy |
| unknown | | Tommaso Caselli, O.P. † | Bishop of Cava (de’ Tirreni), Italy |
| unknown | | Massimiliano Doria † | Bishop of Noli, Italy |
| unknown | | Alessandro Gadaletta † | Bishop of Nusco, Italy |
| unknown | | Gerolamo Gaddi † | Bishop of Cortona, Italy |
| unknown | | Francesco Angelo Gazzino, O.P. † | Bishop of Polignano (Polinianum), Italy |
| unknown | | Jacques Leroy, O.S.B. † | Archbishop of Bourges, France |
| unknown | | Andrea Minucci † | Archbishop of Zadar (Zara), Croatia |
| unknown | 51.0 | Matthais Ob † | Auxiliary Bishop of Speyer, Germany |
| unknown | | Antonio Paragües Castillejo, O.S.B. † | Archbishop of Cagliari, Italy |
| unknown | | Petrus Percic † | Bishop of Seckau, Austria |
| unknown | | Antonio Pintor Cavaro † | Bishop of Bosa, Italy |
| unknown | | Organtino Scaroli (Scazola) † | Bishop of San Marco (Argentano), Italy |
| unknown | | Francisco Tomás † | Bishop of Ampurias e Civita, Italy |
| unknown | | Miguel Torcella † | Bishop of Anagni, Italy |
| unknown | | Giovanni Francesco Verdurae † | Bishop of Chiron, Greece |
| 8 Feb | | Francesco Pisani † | Bishop of Chioggia, Italy |
| 10 Feb | | Gabriel de Bouvery † | Bishop of Angers, France |
| 17 Feb | | Gaspar Cao, O.S.A. † | Bishop of São Tomé e Príncipe |
| 23 Feb | | Giovambattista Ricasoli † | Bishop of Pistoia, Italy |
| 26 Feb | 60.0 | Pedro Agustín y Albanell † | Bishop of Huesca, Spain |
| 7 Mar | | Adriano Bereti, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 7 Mar | 83.2 | Alfonso de Montufar, O.P. † | Archbishop of México, Federal District |
| 17 Mar | 66.2 | Marco Antonio Amulio † | Cardinal, Bishop of Rieti, Italy |
| 4 Apr | | Costantino Bonelli † | Bishop of Città di Castello, Italy |
| 12 Apr | | Filip Padniewski † | Bishop of Kraków, Poland |
| 1 May | 68.3 | St. Antonio (Michele) Ghislieri, O.P. † | Pope (Roma {Rome}, Italy) |
| 1 Jun | | Pedro Carlos, O.S. † | Bishop of Gerona, Spain |
| 16 Jun | | Vilém Prusinovský z Víckova † | Bishop of Olomouc (Olmütz), Czech Republic |
| 29 Jun | | Mariano Vittori † | Bishop of Rieti, Italy |
| 29 Jul | | Antonino Faraone † | Bishop of Catania, Italy |
| Aug | 60.6 | Giovanni Francesco Lottini † | Bishop Emeritus of Conversano, Italy |
| Aug | | Rodrigo Pinheiro † | Bishop of Porto, Portugal |
| 16 Aug | | Pierre de Marcilly † | Bishop of Autun, France |
| 27 Aug | | Walenty Herborth (Herbult) † | Bishop of Przemyśl, Poland |
| 5 Sep | 70.0 | Diego Espinosa Arévalo † | Cardinal, Bishop of Sigüenza, Spain |
| 9 Oct | 61.8 | Girolamo di Corregio † | Cardinal, Archbishop of Taranto, Italy |
| 14 Nov | | Cristóbal Fernández Valtodano † | Archbishop of Santiago de Compostela, Spain |
| 26 Nov | | João Soares, O.S.A. † | Bishop of Coimbra, Portugal |
| 2 Dec | 63.3 | Ippolito d’Este (II) † | Cardinal, Bishop Emeritus of Novara, Italy |