| Date | Age | Bishop | Title |
| unknown | 59.0 | Paweł Dunin-Wolski † | Bishop of Poznań, Poland |
| unknown | | Lélio des Ursins de Céri † | Bishop-Elect of Lodčve, France |
| unknown | | Jean-Baptiste de Laigue d’Oraison † | Bishop of Senez, France |
| unknown | | Angelo Marzi † | Bishop Emeritus of Assisi, Italy |
| unknown | | Giovanni Rinaldi Montorio † | Bishop of Narni, Italy |
| unknown | | Ippolito Marsigli † | Bishop of Alife, Italy |
| unknown | | Teodoro de Piis, O.F.M. † | Bishop of Monopoli, Italy |
| unknown | | Jean de Rainieres, O. Cist. † | Auxiliary Bishop of Reims, France |
| unknown | | Thomas Swillington, O.S.A. † | Auxiliary Bishop of London, England, Great Britain |
| unknown | | Martín Tristán Calvete † | Bishop of Oviedo, Spain |
| unknown | | Ambrogio Trivulzio † | Bishop of Bobbio, Italy |
| 4 Jan | | Johann Rüger, O.P. † | Auxiliary Bishop of Bamberg, Germany |
| 1 Feb | | Juan Cardona † | Bishop of Barcelona, Spain |
| 2 Mar | 61.1 | Martín de Saint-André † | Bishop of Carcassonne, France |
| 31 Mar | 68.2 | Tommaso Caracciolo † | Archbishop of Capua, Italy |
| 22 Apr | 68.3 | García de Loaysa y Mendoza, O.P. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| May | | Marco Cattaneo, O.P. † | Auxiliary Bishop of Genova, Italy |
| May | | Francesco Riario Sforza † | Bishop of Lucca, Italy |
| 3 May | | Mikolaj Brolinski † | Auxiliary Bishop of Płock, Poland |
| 18 May | | Jan Bieliński † | Bishop-Elect of Płock, Poland |
| 22 May | | Guillaume Éder † | Bishop of Quimper, France |
| 29 May | 52.4 | David Beaton † | Cardinal, Archbishop of Saint Andrews, Scotland, Great Britain |
| 6 Jun | | Giovanni Pietro de Bono, O.P. † | Bishop of Minori, Italy |
| 26 Jun | 66.4 | Jacques Hurault de Cheverny † | Bishop of Autun, France |
| 27 Jun | | Bernardino Castellari † | Bishop of Casale Monferrato, Italy |
| 4 Jul | 88.5 | Pietro Bonomo † | Bishop of Trieste, Italy |
| 25 Jul | 73.5 | Antonio Lascaris de Tenda † | Bishop of Riez, France |
| Aug | 46.5 | René du Bellay de Langey † | Bishop Emeritus of Le Mans, France |
| 16 Aug | 56.6 | Giovanni Vincenzo Acquaviva d’Aragona † | Cardinal, Bishop of Melfi e Rapolla, Italy |
| 28 Sep | 58.7 | Marino Grimani † | Cardinal, Titular Patriarch of Constantinople |
| 29 Nov | | Joăo Parvi † | Bishop of Santiago de Cabo Verde |