| Date | Age | Bishop | Title |
| unknown | | Louis-Doni d’Attichy † | Bishop of Riez, France |
| unknown | | Giovanni Battista Capacci † | Bishop of Trivento, Italy |
| unknown | | Vicente Agustín Clavería † | Bishop of Alghero, Italy |
| unknown | 46.0 | Francesco Clerico, C.R. † | Bishop of Belcastro, Italy |
| unknown | 65.0 | Marco Antonio Coccini † | Bishop of Imola, Italy |
| unknown | | Giovanni Carlo Coppola † | Bishop of Muro Lucano, Italy |
| unknown | 82.0 | Thomas Dease † | Bishop of Meath, Ireland |
| unknown | | Francesco de’ Notari, O.M. † | Bishop of Lavello, Italy |
| unknown | | Juan de Espinoza y Orozco, O.P. † | Bishop of Santa Marta, Colombia |
| unknown | 53.0 | Guglielmo Gaddi † | Bishop of Bisceglie, Italy |
| unknown | | Mikołaj Krasicki † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| unknown | 67.0 | Fabio Lagonissa † | Titular Patriarch of Antiochia {Antioch} |
| unknown | | Andrea Manca † | Archbishop of Sassari, Italy |
| unknown | 58.0 | Gavino Manca Figo † | Bishop of Ampurias e Civita, Italy |
| unknown | 47.0 | Leonardus Severoli † | Bishop of San Severo, Italy |
| unknown | | Pomponio Vetuli † | Bishop of Città Ducale, Italy |
| unknown | | Honoratus Visconti † | Titular Archbishop of Larissa in Thessalia |
| 5 Jan | 53.0 | Girolamo Verospi † | Cardinal, Bishop of Osimo, Italy |
| 7 Feb | 84.2 | Philipp Christoph von Sötern † | Archbishop of Trier, Germany |
| Mar | 45.2 | Carlo Diotallevi † | Bishop of Strongoli, Italy |
| 10 Mar | | Patrick Comerford, O.S.A. † | Bishop of Waterford and Lismore, Ireland |
| Apr | 63.3 | Claude de la Magdelaine † | Bishop of Autun, France |
| Apr | 41.3 | Édouard Molé † | Bishop of Bayeux, France |
| 11 Apr | 72.3 | Hernando de Ramírez y Sánchez, O.SS.T. † | Bishop of Panamá |
| 16 Apr | 67.3 | Augustinus Basrci (Bagesius), O.P. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 19 Apr | 83.3 | Marcello Lante della Rovere † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 24 Apr | 36.1 | Pierre de Gassion † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 26 Apr | 67.5 | Jean-Pierre Camus † | Bishop Emeritus of Belley, France |
| 15 May | | Francesco Durazzi † | Bishop of Brugnato, Italy |
| 2 Jul | 84.5 | Domingo de Villaescusa y Ramírez de Arellano, O.S.H. † | Bishop of Yucatán (Mérida), México |
| 12 Jul | 72.5 | Jerónimo de Ipenza † | Bishop of Jaca, Spain |
| 26 Jul | 57.9 | Bartolomé de Benavente y Benavides † | Bishop of Antequera, Oaxaca, México |
| 2 Aug | 65.6 | Andrés García de Zurita † | Bishop of Trujillo, Peru |
| 28 Aug | 80.6 | Maciej Łubieński † | Archbishop of Gniezno, Poland |
| 16 Sep | 68.0 | Giulio Roma † | Cardinal, Bishop of Tivoli, Italy |
| 5 Oct | 70.8 | Diego Serrano Sotomayor, O. de M. † | Bishop of Guadix, Spain |
| 28 Oct | 53.8 | Pietro Paolo de’ Rustici, O.S.B. † | Bishop of Isernia, Italy |
| 30 Oct | 73.1 | George Anton von Rodenstein † | Bishop of Worms, Germany |
| 15 Nov | 57.9 | Pomponio Spreti † | Bishop of Cervia, Italy |
| 24 Nov | 74.9 | Pierre Fenouillet † | Bishop of Montpellier, France |
| 25 Nov | | Francisco dos Martyres, O.F.M. † | Archbishop of Goa, India |
| 27 Nov | | François Lefèvre de Caumartin † | Bishop of Amiens, France |
| 30 Nov | 36.9 | Franz von Lodron † | Bishop of Gurk, Austria |
| 11 Dec | 45.0 | Juan Coello Ribera y Sandoval † | Bishop of Zamora, Spain |
| 21 Dec | | Philibert de Brichanteau † | Bishop of Laon, France |