| Date | Age | Bishop | Title |
| unknown | | Jean de Barthon † | Titular Bishop of Nazareth |
| unknown | | Bartholomo Giovanni Bartoli † | Bishop of Alife, Italy |
| unknown | | Paolo di Bosnia, O.F.M. † | Bishop of Senj, Croatia |
| unknown | | Sanche de Casanova † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| unknown | | Alessandro Contarini † | Bishop of Rethymo (Calamona), Greece |
| unknown | | Simon Dantici, O.F.M. † | Bishop of Montemarano, Italy |
| unknown | | Jacopo-Antonio dalla Torre † | Bishop of Cremona, Italy |
| unknown | | Alonso de Fonseca y Ulloa † | Archbishop of Santiago de Compostela, Spain |
| unknown | | Giovanni Frangipane † | Bishop of Bisignano, Italy |
| unknown | | Alessandro (Angelo) Geraldini † | Bishop of Sessa Aurunca, Italy |
| unknown | | Antonio de Goppo † | Bishop of Trieste, Italy |
| unknown | | Jacques † | Bishop of Lavant, Slovenia |
| unknown | | James † | Bishop of Clonmacnoise, Ireland |
| unknown | | Ludovico Joannis, O.F.M. † | Bishop of Ampurias, Italy |
| unknown | | Stephan Karrer, O.P. † | Auxiliary Bishop of Speyer, Germany |
| unknown | | Jean L’Espervier † | Bishop of Saint-Malo, France |
| unknown | | Bernardo Margarit, O.S.B. † | Bishop of Catania, Italy |
| unknown | | Meolo de Mascabruni † | Bishop of Muro Lucano, Italy |
| unknown | | Lorenzo Michaelis † | Bishop of Hvar (Lesina), Croatia |
| unknown | | Guy de Montbrun † | Bishop of Condom, France |
| unknown | | Giovanni de Monteaperto † | Bishop of Mazara del Vallo, Italy |
| unknown | | Guillaume Olivieri † | Bishop of Alet, France |
| unknown | | Kilian Pflüger † | Auxiliary Bishop of Eichstätt, Germany |
| unknown | | Giorgio Pinna, O.S.B. † | Bishop of Galtelli, Italy |
| unknown | | Giovanni dei Porcari † | Bishop of Lacedonia, Italy |
| unknown | | Alfonso de Rabanal, O.S.A. † | Auxiliary Bishop of Burgos, Spain |
| unknown | | Antonio Rocca † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| unknown | | Carlo Setari † | Bishop of Isernia, Italy |
| unknown | | William Westkarre, C.R.S.A. † | Auxiliary Bishop of Canterbury, England, Great Britain |
| unknown | | Stabilis Zarrilo † | Bishop of Carinola (Calina), Italy |
| 23 Feb | 55.1 | Johann von Werdenberg † | Bishop of Augsburg, Germany |
| 30 Mar | 74.2 | Thomas Bourchier † | Cardinal, Archbishop of Canterbury, England, Great Britain |
| 27 Apr | | Liborius von Schlieben † | Bishop of Lebus, Germany |
| 4 May | | Simon Bonnet † | Bishop of Senlis, France |
| 29 Jun | | Silvestro Daziari † | Bishop of Chioggia, Italy |
| 19 Jul | | Thomas Arthur † | Bishop of Limerick, Ireland |
| 11 Aug | 88.6 | William Waynflete (Pattyn) † | Bishop of Winchester, England, Great Britain |
| 23 Aug | | Giovanni Venturelli † | Bishop of Cesena, Italy |
| 19 Sep | | Richard Oldham, O.S.B. † | Bishop of The Isles (Sodor), Scotland, Great Britain |
| 21 Sep | 68.7 | Johann Hinderbach † | Bishop of Trento, Italy |
| 27 Sep | 71.7 | Gabriele Rangone, O.F.M. Obs. † | Cardinal, Bishop of Eger, Hungary |
| 20 Nov | | Richard Stackpolls † | Bishop-Elect of Limerick, Ireland |