| Date | Age | Bishop | Title |
| unknown | | Angelo Maria Ciria, O.S.M. † | Archbishop of Chieti, Italy |
| unknown | | Jacques Lescot † | Bishop of Chartres, France |
| unknown | | Francesco Massucci † | Bishop of Penne-Atri, Italy |
| 17 Jan | | Jerzy Tyszkiewicz † | Bishop of Vilnius, Lithuania |
| 30 Jan | 73.1 | Pierdonato Cesi (Jr.) † | Cardinal, Cardinal-Priest of S. Marcello |
| 17 Feb | | Bernardo Atayde de Lima Perera † | Bishop of Avila, Spain |
| 24 Apr | 71.3 | Francesco Cherubini † | Cardinal, Bishop of Senigallia, Italy |
| 1 May | 67.3 | Domenico Cecchini † | Cardinal, Cardinal-Deacon of S. Sisto |
| 7 Jul | | Lorenzo Pollicini † | Bishop of Avellino-Frigento, Italy |
| Aug | | Ludovico Serristori † | Bishop of Cortona, Italy |
| 3 Aug | 59.6 | Giangiacomo Teodoro Trivulzio † | Cardinal, Cardinal-Priest of S. Maria del Popolo |
| 24 Aug | 61.2 | Ägidius Gelenius † | Auxiliary Bishop of Osnabrück, Germany |
| 13 Oct | | Juan Juániz de Echalar † | Bishop of Calahorra y La Calzada, Spain |
| Nov | | Isidoro della Robbia, O.S.B. † | Bishop of Bertinoro, Italy |
| 17 Nov | 78.0 | Cristóbal Guzmán Santoyo † | Bishop of Palencia, Spain |
| 30 Nov | 37.4 | Johann Franz Reichsritter von Schönau † | Bishop of Basel, Switzerland |
| 4 Dec | | Luigi Grimani † | Bishop of Bergamo, Italy |
| 6 Dec | 69.2 | Francisco Diego Díaz de Quintanilla y de Hevía y Valdés, O.S.B. † | Bishop of Antequera, Oaxaca, México |