| Date | Age | Bishop | Title |
| unknown | | Martín Cabeza de Vaca, O.P. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| unknown | | Alfonso Carafa † | Bishop of Lucera, Italy |
| unknown | | Cipriano de Caris † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Octavio de Cesi † | Bishop of Cervia, Italy |
| unknown | | Vincenzo d’Aste † | Bishop of Noli, Italy |
| unknown | | Cinzio Filonardi † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Giovanni Landi † | Archbishop of Candia, Greece |
| unknown | | Juan Merton, O.S.A. † | Auxiliary Bishop of Zaragoza, Spain |
| unknown | | Paolo Da Middelburg † | Bishop of Fossombrone, Italy |
| unknown | | Gaspare de Murgiis † | Bishop of Strongoli, Italy |
| unknown | | Denis O’Moore, O.P. † | Bishop of Clonfert, Ireland |
| unknown | | Miguel Ramírez de Salamanca, O.P. † | Bishop of Santiago de Cuba |
| unknown | | Jerónimo Vilanova † | Archbishop of Cagliari, Italy |
| 5 Jan | | Symphorien Bullioud † | Bishop of Soissons, France |
| 10 Jan | 61.0 | Franciotto Orsini † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 24 Jan | 64.1 | Guillaume Briçonnet † | Bishop of Meaux, France |
| 4 Feb | 59.1 | Alonso de Fonseca y Ulloa † | Archbishop of Toledo, Spain |
| 4 Mar | | Jerónimo Doria † | Bishop of Huesca, Spain |
| 26 Mar | 48.2 | Gabriel de Gramont † | Cardinal, Bishop of Tarbes, France |
| 18 May | | Christopher Lord, O. Praem. † | Auxiliary Bishop of Canterbury, England, Great Britain |
| Jun | | Bartolomeo Ferratini † | Bishop of Chiusi, Italy |
| 19 Jul | 70.5 | Willem van Enckenvoirt † | Cardinal, Bishop of Utrecht, Netherlands |
| 28 Jul | | John Allen † | Archbishop of Dublin, Ireland |
| 3 Aug | 70.7 | Andrea Della Valle † | Cardinal, Cardinal-Bishop of Palestrina |
| 10 Aug | 65.5 | Tommaso (Jacopo) De Vio, O.P. † | Cardinal, Bishop of Gaeta, Italy |
| 21 Aug | | Girolamo Planca † | Bishop of Gerace, Italy |
| 5 Sep | 64.7 | Maternus Pistor † | Auxiliary Bishop of Mainz, Germany |
| 25 Sep | 56.3 | Giulio de’ Medici † | Pope (Roma {Rome}, Italy) |
| 3 Nov | 49.8 | Vincenzo Pimpinella † | Archbishop of Rossano, Italy |