| Date | Age | Bishop | Title |
| unknown | | Hugh de Burgo, O.F.M. † | Bishop of Kilmacduagh, Ireland |
| unknown | | Clemente Del Pezzo, C.R. † | Bishop of Castellammare di Stabia, Italy |
| unknown | 60.0 | Ippolito Franconi † | Bishop of Nocera de’ Pagani, Italy |
| unknown | | Antonio Leoncello † | Bishop of Termoli, Italy |
| unknown | 51.8 | Sigismund Miutini von Spilenberg † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| unknown | | Pietro Morari † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| unknown | 72.0 | Rickard O’Connell † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| unknown | 60.3 | Giovanni Battista Rinuccini † | Archbishop of Fermo, Italy |
| unknown | 60.0 | Francesco Antonio Roberti † | Bishop of Alessano, Italy |
| unknown | | Costantino de Rossi, C.R.S. † | Bishop of Krk (Veglia), Croatia |
| unknown | 73.0 | Nicolas Sanguin † | Bishop Emeritus of Senlis, France |
| unknown | 52.0 | Bartolomeo Vannini † | Bishop of Nepi e Sutri, Italy |
| unknown | | Antonius de Verita † | Bishop of Ossero (Osor), Croatia |
| 4 Jan | 49.5 | Melchior Otto von Voit von Salzburg † | Bishop-Elect of Bamberg, Germany |
| Feb | | Hugh O’Reilly † | Archbishop of Armagh, Ireland |
| 26 Feb | 73.2 | Tiberio Cenci † | Cardinal, Bishop of Jesi, Italy |
| Mar | | Roger d’Aumont † | Bishop Emeritus of Avranches, France |
| 11 Mar | | Francesco Fossati, O.S.B. † | Bishop of Tortona, Italy |
| 22 Mar | 67.2 | François de Harlay de Champvallon † | Archbishop Emeritus of Rouen, France |
| 23 Mar | 71.2 | Alphonse-Louis du Plessis de Richelieu, O. Cart. † | Cardinal, Archbishop of Lyon, France |
| 29 Mar | 80.2 | Angelo Gozzadini † | Bishop of Civita Castellana e Orte, Italy |
| 20 Apr | | Nicola Dalmazzo (Dalmatico), O.S.A. † | Bishop of Fossano, Italy |
| 24 Apr | 68.3 | Bartolomeo Giustiniani † | Bishop of Avellino e Frigento, Italy |
| 11 May | 52.6 | Petronio Veroni, O.S.A. † | Bishop of Boiano, Italy |
| Jun | 78.8 | Enrique Pimentel Zúñiga † | Bishop of Cuenca, Spain |
| 5 Jun | 73.6 | Federico Baldissera Bartolomeo Cornaro † | Cardinal, Cardinal-Bishop of Albano |
| 29 Jun | | Martín Carrillo Alderete † | Archbishop of Granada, Spain |
| 29 Jun | 56.5 | Francesco Colonna † | Bishop of Castro di Puglia, Italy |
| 4 Jul | 64.5 | Nicolás de la Torre Muñoz † | Bishop of Santiago de Cuba |
| 23 Jul | | Pietro Bonaventura † | Bishop of Cesena, Italy |
| 3 Aug | | Stanisław Zaremba, O. Cist. † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 23 Aug | 78.6 | Crispin Fuk von Hradiste, O. Praem. † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| Sep | | Giovanni Agostino Gandolfo † | Bishop of Sant’Agata de’ Goti, Italy |
| 23 Sep | 51.7 | Antonio Pavonelli, O.F.M. Conv. † | Bishop of Venosa, Italy |
| 26 Sep | | Mikołaj Krosnowski † | Archbishop of Lviv, Ukraine |
| Oct | 77.8 | Nicolaus Righi † | Bishop of Tinos, Greece |
| 1 Oct | 61.8 | Scipione Agnelli † | Bishop of Casale Monferrato, Italy |
| 7 Oct | | Luis Antonio de Castro y Castillo † | Bishop of La Paz, Bolivia |
| 7 Oct | 72.6 | Faustus Poli † | Cardinal, Bishop of Orvieto, Italy |
| 18 Oct | | Niccolò Orsini † | Bishop of Ripatransone, Italy |
| Nov | | Giuseppe Maria Bonaldi, O.P. † | Archbishop of Bar (Antivari), Montenegro |
| 13 Nov | 76.9 | Diego de Zambrana de Villalobos y Cordero † | Bishop of Santiago de Chile |
| 15 Nov | 57.9 | Tomás Rocamora, O.P. † | Bishop of Mallorca, Spain |
| 22 Nov | 45.9 | Francesco Maria Macchiavelli † | Cardinal, Bishop of Ferrara, Italy |
| 26 Nov | | Flavio Galletti, O.S.B. † | Bishop of Anglona-Tursi, Italy |
| 2 Dec | 68.2 | Domingo Pimentel Zúñiga, O.P. † | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain |
| 12 Dec | | Angelo Pichi (Pico) † | Bishop of San Miniato, Italy |
| 15 Dec | 67.8 | Paris von Lodron † | Archbishop of Salzburg, Austria |
| 31 Dec | | Martín de Funes Lafiguera † | Bishop of Albarracin, Spain |