| Date | Age | Bishop | Title |
|---|
| unknown | | Jean Aymard, O.S.A. † | Auxiliary Bishop of Sens, France |
| unknown | | Ottaviano de Castello † | Bishop of San Leone, Italy |
| unknown | | Giovanni Battista del Giudice † | Bishop of Vulturara e Montecorvino, Italy |
| unknown | | Girolamo Fornari, O.P. † | Bishop of Belcastro, Italy |
| unknown | | Camillo de Gennaro † | Bishop of Nicotera, Italy |
| unknown | | Mogens Lauritsson † | Bishop of Hamar, Norway |
| unknown | | Nicolas Pedro Mendez † | Bishop of Tanger (Tangier), Morocco |
| unknown | | Guy de Montmiral, O.S.B. † | Auxiliary Bishop of Meaux, France |
| unknown | | James O’Curran † | Bishop of Killaloe, Ireland |
| unknown | | Thomas O’Hurley † | Bishop of Emly, Ireland |
| unknown | | Joachim Rönnov † | Former Bishop-Elect of Roskilde (Roeskilde), Denmark |
| unknown | | Sebastiano Rossi † | Bishop of Caorle, Italy |
| unknown | | Benedetto de Sanctis † | Bishop of Alessano, Italy |
| unknown | | Claude de Tournon † | Bishop Emeritus of Viviers (Aps), France |
| Jan | 57.0 | Jérome d’Arsago, O.S.B. † | Bishop of Nice, France |
| 1 Feb | 61.9 | Girolamo Aleandro † | Cardinal, Archbishop Emeritus of Brindisi, Italy |
| 1 Feb | | Giovanni Omodei † | Bishop of Mazara del Vallo, Italy |
| 2 Feb | 39.0 | Louis d’Acigné † | Bishop of Nantes, France |
| 7 Feb | | Andreas Henlein, O.S.B. † | Auxiliary Bishop of Bamberg, Germany |
| 13 Feb | | Alessandro Cesarini (Sr.) † | Cardinal, Cardinal-Bishop of Palestrina |
| 16 Mar | | George Cromer † | Archbishop Emeritus of Armagh, Ireland |
| 5 May | | Bernard O’Donnell, O.F.M. Obs. † | Bishop of Elphin, Ireland |
| 5 May | | Gabriel a San Serio, O.S.B. † | Bishop of Ferns, Ireland |
| Jul | | Juan Fernando Angulo † | Bishop of Santa Marta, Colombia |
| Jul | 67.5 | Ögmundur Pálsson † | Bishop of Skálholt, Iceland |
| 4 Aug | | Pomponio Cecci (Cesi) † | Cardinal, Bishop of Nepi e Sutri, Italy |
| 4 Aug | | Jaime de Conchillos, O. de M. † | Bishop of Lérida, Spain |
| 24 Aug | 58.8 | Gasparo Contarini † | Cardinal, Bishop of Belluno, Italy |
| 17 Sep | 45.7 | Dionisio Neagrus Laurerio, O.S.M. † | Cardinal, Bishop of Urbino, Italy |
| 3 Oct | 60.7 | Łukasz Górka † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 6 Oct | | Antonio de Narbonne, O.S.B. † | Bishop of Mâcon, France |
| 15 Nov | | Louis de Pélissier, O.S.A. † | Bishop of Orange, France |
| 27 Nov | | Andrea de Bondelmonte † | Archbishop of Firenze {Florence}, Italy |
| Dec | | Antonio Pellegrini † | Bishop of Toul, France |
| 7 Dec | 90.9 | Julián Garcés, O.P. † | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 9 Dec | | Christoph Fuchs von Fuchsberg † | Bishop of Brixen {Bressanone}, Italy |
| 9 Dec | | Lorenzo Pérez † | Auxiliary Bishop of Tarragona, Spain |
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