| Date | Age | Bishop | Title |
| unknown | | Fabrizio Borgia † | Bishop of Ferentino, Italy |
| unknown | | Francesco Carafa † | Bishop of Nardò, Italy |
| 4 Jan | 75.0 | François-Firmin Trudaine † | Bishop of Senlis, France |
| 7 Feb | 64.1 | Manuel López Aguirre † | Bishop of Barcelona, Spain |
| 27 Feb | 83.4 | Tomás de Almeida † | Cardinal, Patriarch of Lisboa, Portugal |
| 6 Mar | 62.2 | Juan González Melgarejo † | Bishop of Arequipa, Peru |
| 16 Mar | 79.2 | Charles-François d'Hallencourt de Dromesnil † | Bishop of Verdun, France |
| 19 Mar | 58.2 | Giuseppe Ruffo † | Archbishop of Capua, Italy |
| 3 Apr | 85.0 | Louis-Daniel-Gabriel de Pestel de Levis de Trubières de Caylus † | Bishop of Auxerre, France |
| 22 Apr | 60.9 | Pedro Felipe de Azúa e Iturgoyen † | Archbishop Emeritus of Santafé en Nueva Granada, Colombia |
| 22 Apr | 62.2 | Louis-Bernard de La Taste, O.S.B. † | Bishop of Bethléem, France |
| 13 Jun | | Joseph-Alphonse de Valbelle de Tourves † | Bishop of Saint-Omer, France |
| 3 Aug | 86.6 | Jean-Baptiste Surian † | Bishop of Vence, France |
| 2 Sep | | Eustachio Palma † | Bishop of Fossombrone, Italy |
| 7 Oct | | Silvestro Lodovico Paparelli † | Bishop of Cagli, Italy |
| 14 Oct | 57.6 | José Gómez † | Bishop of Zamora, Spain |
| 27 Oct | 71.8 | Giuseppe Suares de la Concha † | Bishop of San Miniato, Italy |
| 12 Nov | 58.7 | Joseph Benedikt Graf von Rost † | Bishop of Chur, Switzerland |
| 25 Nov | 64.0 | Karl Philipp Reichsfreiherr von Greifenclau zu Vollraths † | Bishop of Würzburg, Germany |