| Date | Age | Bishop | Title |
| unknown | | Ottaviano de Castello † | Bishop of San Leone, Italy |
| unknown | | Girolamo Fornari, O.P. † | Bishop of Belcastro, Italy |
| unknown | | Nicolas Pedro Mendez † | Bishop of Tanger, Morocco |
| unknown | | Guy de Montmiral, O.S.B. † | Titular Bishop of Megara |
| unknown | | Thomas O’Hurley † | Bishop of Emly, Ireland |
| unknown | | Sebastiano Rossi † | Bishop of Caorle, Italy |
| unknown | | Benedetto de Sanctis † | Bishop of Alessano, Italy |
| 1 Feb | 62.0 | Girolamo Aleandro † | Cardinal, Archbishop Emeritus of Brindisi, Italy |
| 2 Feb | | Louis d’Acigné † | Bishop of Nantes, France |
| 7 Feb | | Andreas Henlein † | Auxiliary Bishop of Bamberg, Germany |
| 13 Feb | | Alessandro Cesarini (Sr.) † | Cardinal, Cardinal-Bishop of Palestrina |
| 16 Mar | | George Cromer † | Archbishop Emeritus of Armagh, Ireland |
| 12 Apr | | Georges de Selve † | Bishop of Lavaur, France |
| 6 May | | Jakub Buczacki † | Bishop of Płock, Poland |
| Jul | | Juan Fernando Angulo † | Bishop of Santa Marta, Colombia |
| 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 | 58.9 | Gasparo Contarini † | Cardinal, Bishop of Belluno, Italy |
| 17 Sep | 45.7 | Dionisio Neagrus Laurerio, O.S.M. † | Cardinal, Bishop of Urbino, Italy |
| 3 Oct | | Łukasz Górka † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 15 Nov | | Louis de Pélissier, O.S.A. † | Bishop of Orange, France |
| 7 Dec | 90.9 | Julián Garcés, O.P. † | Bishop of Tlaxcala, México |
| 9 Dec | | Lorenzo Pérez † | Auxiliary Bishop of Tarragona, Spain |
| 17 Dec | | Christoph Fuchs von Fuchsberg † | Bishop of Brixen {Bressanone}, Italy |