| Date | Age | Bishop | Title |
|---|
| unknown | | Nicola Angelo de Abbatissa † | Bishop of Marsico Nuovo, Italy |
| unknown | | Guido Boncheri † | Bishop of Cagli, Italy |
| unknown | | Thomas de Debrenthe (Branche), O.S.B. † | Bishop of Nitra, Slovakia |
| unknown | | Tellez de Buendia † | Bishop of Córdoba, Spain |
| unknown | | Giovanni Cani † | Archbishop of Oristano, Italy |
| unknown | | John Caroys, C.R.S.A. † | Bishop of Leighlin, Ireland |
| unknown | | Agostino da Siena, O.F.M. † | Bishop of Montemarano, Italy |
| unknown | | Giovanni della Bona † | Bishop of Ales (Uselli), Italy |
| unknown | | Antonio Fieschi de Lavagna † | Bishop of Mondovi, Italy |
| unknown | | Giovanni Gatto † | Bishop of Cefalù, Italy |
| unknown | | Pietro de Guarda Campillari, O.F.M. † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | | Gabriele de Guidano † | Bishop of Policastro, Italy |
| unknown | | Pierre de Insula † | Bishop of Moldovita (Moldawitza, Suczawa), Romania |
| unknown | | Ladislas † | Bishop of Satriano, Italy |
| unknown | | Luca † | Bishop of Capri, Italy |
| unknown | | Alessandro Manfredi † | Bishop of Monopoli, Italy |
| unknown | | Antonio Parentucelli † | Bishop of Luni e Sarzana, Italy |
| unknown | | Giovanni Pellis † | Bishop of Terralba, Italy |
| unknown | | Scipione Piscicelli † | Bishop of Troia, Italy |
| unknown | | Lazarus Racanelli, O.P. † | Bishop of Urbino, Italy |
| unknown | | Gabriele Serra, O. Cist. † | Archbishop of Cagliari, Italy |
| unknown | | Francesco Spalluci de Pontecuro † | Bishop of Ostuni, Italy |
| unknown | | Gentile da Spoleto † | Bishop of Anagni, Italy |
| unknown | | Nicolas Valentini † | Bishop of Krk (Veglia), Croatia |
| unknown | | William , C.R.S.A. † | Bishop of Clonmacnoise, Ireland |
| 9 Jan | | Bl. Antonio Fatati † | Bishop of Ancona e Numana, Italy |
| 10 Jan | | Guy du Bouchet † | Bishop of Quimper, France |
| 21 Jan | 58.4 | Teodoro Paleologo di Montferrato † | Cardinal, Cardinal-Deacon of San Teodoro |
| 28 Jan | | Olivier de Pennart, O.S.A. † | Archbishop of Aix, France |
| 15 Apr | 56.2 | Giovanni Battista de Giudici, O.P. † | Archbishop Emeritus of Amalfi, Italy |
| May | | Benedict (Brian) O’Hara † | Bishop of Achonry, Ireland |
| 1 May | 20.3 | Adalbert zu Sachsen † | Archbishop-Elect of Mainz, Germany |
| 15 May | | Antonio de Espés † | Bishop of Huesca, Spain |
| 23 Jun | | Lionel Wydville (Woodville) † | Bishop of Salisbury, England, Great Britain |
| 5 Jul | 71.5 | Hélie de Bourdeilles, O.F.M. † | Cardinal, Archbishop of Tours, France |
| 20 Jul | | Luigi Donato (Donà) † | Bishop of Bergamo, Italy |
| Aug | | Luca Carducci, O.S.B. † | Bishop of Osimo, Italy |
| 12 Aug | 70.0 | Francesco della Rovere, O.F.M. † | Pope (Roma {Rome}, Italy) |
| 2 Sep | | Johann Isenberg, O.F.M. † | Auxiliary Bishop of Speyer, Germany |
| 11 Sep | | Philibert Hugonet † | Cardinal, Bishop of Mâcon, France |
| 6 Oct | | Gautier de Forcalquier † | Bishop of Gap, France |
| 11 Oct | 48.7 | Georg von Baden † | Bishop of Metz, France |
| 22 Oct | | Stefano Nardini † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 18 Nov | 64.8 | Jan Kaźmierski † | Bishop of Przemyśl, Poland |
| 21 Nov | 63.8 | Juan Margarit i Pau † | Cardinal, Bishop of Gerona, Spain |
| 28 Nov | | Jean Bochart † | Bishop of Avranches, France |
| Dec | | Nicholas Weston † | Bishop of Derry, Ireland |
| 17 Dec | | Gebhard von Hoym † | Bishop Emeritus of Halberstadt, Germany |
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