| Date | Age | Bishop | Title |
|---|
| unknown | 68.0 | Giovanni Stefano Ajazza † | Bishop of Asti, Italy |
| unknown | | Marco Antonio Bellini † | Bishop of Bobbio, Italy |
| unknown | | Mario Cossa † | Bishop of Montalcino, Italy |
| unknown | 64.0 | Girolamo Giustiniani, O.P. † | Bishop Emeritus of Chios (Scio), Greece |
| unknown | | Krzysztof Kazimirski † | Bishop of Kyiv (Kijów), Ukraine |
| unknown | 54.0 | Lodovico Magio † | Bishop of Lucera, Italy |
| unknown | 69.0 | Fernando Mendoza González † | Bishop of Cuzco, Peru |
| unknown | 59.0 | Vincenzo Querini † | Archbishop of Corfů, Greece |
| unknown | 67.0 | Francisco de Sosa, O.F.M. † | Bishop of Osma, Spain |
| unknown | | Kornelios Sozomenus † | Bishop of Pula (Pola), Croatia |
| 8 Jan | 73.0 | Francisco Sobrino Morillas † | Bishop of Valladolid, Spain |
| 16 Jan | | Stephan von Seiboldsdorf † | Bishop of Freising, Germany |
| 14 Feb | 66.1 | Sebastian Breuning † | Auxiliary Bishop of Augsburg, Germany |
| 14 Feb | 73.1 | Juan Pedro González de Mendoza, O.S.A. † | Bishop of Popayán, Colombia |
| 14 Feb | 57.4 | Paolo Emilio Sfondrati † | Cardinal, Bishop of Cremona, Italy |
| Mar | | Bonaventura Secusio, O.F.M. † | Bishop of Catania, Italy |
| 7 Mar | | Melchior de Marconnay † | Bishop of Saint-Brieuc, France |
| 21 Mar | | Jacques Blaes, O.F.M. † | Bishop of Saint-Omer, France |
| 14 Apr | 75.3 | Giovanni Battista Zuccato † | Bishop Emeritus of Nusco, Italy |
| 24 Apr | 56.3 | Diego de Contreras, O.S.A. † | Archbishop of Santo Domingo, Dominican Republic |
| 5 May | 43.3 | Ramón Ivorra † | Bishop of Perpignan-Elne, France |
| Jun | 56.4 | Giuseppe Piscuglio, O.F.M. Conv. † | Bishop of Catanzaro, Italy |
| 19 Aug | 54.6 | Vincenzo Periti † | Bishop of Lavello, Italy |
| 22 Aug | 54.6 | Erminio Valenti † | Cardinal, Bishop of Faenza, Italy |
| Sep | | Lucio Fornari † | Bishop of Oria, Italy |
| 1 Sep | 68.7 | Constantino Barradas † | Bishop Emeritus of Săo Salvador da Bahia, Brazil |
| 5 Sep | 61.8 | Jacques Davy Du Perron † | Cardinal, Archbishop of Sens, France |
| 3 Oct | 60.8 | Paolo Tolosa, C.R. † | Archbishop of Chieti, Italy |
| 7 Oct | | Henri de La Marthonie † | Bishop of Limoges, France |
| Nov | 44.8 | Pietro Paolo Miloto † | Bishop of Chioggia, Italy |
| 16 Nov | 59.9 | Ottavio Belmosto (Belmusti) † | Cardinal, Bishop Emeritus of Aleria, France |
| 17 Nov | | Alfonso Vidal, O.F.M. † | Bishop of Lipari, Italy |
| 3 Dec | | Stephan Nebelmair † | Auxiliary Bishop of Regensburg, Germany |
| 4 Dec | 72.2 | Dietrich von Fürstenberg † | Bishop of Paderborn, Germany |
| 6 Dec | | Fabio Biondi (Blondus de Montealto) † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 7 Dec | 72.6 | Bernardo Sandoval Rojas † | Cardinal, Archbishop of Toledo, Spain |
| 9 Dec | 45.9 | Ehrenfried von Kuenburg † | Bishop of Chiemsee, Germany |
| 22 Dec | 53.0 | Girolamo Pignatelli, C.R. † | Archbishop of Rossano, Italy |
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