| Date | Age | Bishop | Title |
| unknown | | Vianesius Albergati † | Bishop of Caiazzo, Italy |
| unknown | 50.0 | Guillermo Casador † | Bishop of Alghero, Italy |
| unknown | | Marco Copula, O.S.B. † | Bishop of Montepeloso, Italy |
| unknown | | Dietrich Huls, O.F.M. † | Auxiliary Bishop of Schwerin, Germany |
| unknown | | Camillo Leonini † | Bishop of Tivoli, Italy |
| unknown | | Vincenzo Maffei † | Bishop of Segni, Italy |
| unknown | | Girolamo Magnani, O.F.M. † | Bishop of Vieste, Italy |
| unknown | | Cristoforo Marcello † | Archbishop of Corfù, Greece |
| unknown | | Agostino de Nabe, O.P. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| unknown | | Lactance (Lattanzio) Petrucci † | Bishop of Sovana (Soana), Italy |
| unknown | | Andrea Piperari † | Bishop of Ossero (Osor), Croatia |
| unknown | | Barthelemy Portaligni, O. Carm. † | Auxiliary Bishop of Avignon, France |
| unknown | | Orlando Carretto della Rovere † | Archbishop of Avignon, France |
| unknown | | Giovanni Ruffo de Theodoli † | Archbishop of Cosenza, Italy |
| unknown | | Joannes Rynel † | Bishop of Ösell (Oesell) [Saare-Lääne], Estonia |
| unknown | 32.0 | Raimondo Sanilio (Senilis) † | Bishop of Rapolla, Italy |
| unknown | | Alessandro Sanseverino † | Archbishop of Vienne, France |
| unknown | | Robert Shaw † | Bishop of Moray, Scotland, Great Britain |
| unknown | | Felice Trofino † | Archbishop of Chieti, Italy |
| 16 Mar | 77.2 | Christoph von Utenheim † | Bishop of Basel, Switzerland |
| 24 Mar | 47.2 | Rafał Leszczyński † | Bishop of Płock, Poland |
| 12 Apr | | André Hamon † | Bishop of Vannes, France |
| 26 May | | Giovanni Mercurio de Vipera † | Bishop of Bagnoregio (Bagnorea), Italy |
| 27 Jun | | Antonio de Rojas Manrique † | Patriarch of West Indies, Spain |
| 28 Jun | 62.4 | Bernardo de’ Rossi † | Bishop of Treviso, Italy |
| Jul | | Gian Francesco Cina, O.F.M. Obs. † | Bishop Emeritus of Larino, Italy |
| Jul | | Wolfgang Goler † | Bishop of Grosseto, Italy |
| 2 Jul | 30.5 | Martin Fourier de Beaune † | Archbishop of Tours, France |
| 22 Jul | | Michel Boudet † | Bishop of Langres, France |
| 2 Aug | | Galeso Nichesola † | Bishop of Belluno, Italy |
| 3 Aug | 62.5 | Scaramuccia Trivulzio † | Cardinal, Bishop Emeritus of Como, Italy |
| 15 Aug | | Giovanni de Copis † | Bishop of Terracina, Priverno e Sezze, Italy |
| 25 Aug | 36.6 | Ercole Rangone † | Cardinal, Bishop of Modena, Italy |
| 9 Sep | 56.6 | Johann Blankenfeld † | Archbishop of Riga, Latvia |
| 9 Sep | 83.6 | Ferdinando Ponzetti (Poncetti) † | Cardinal, Bishop Emeritus of Grosseto, Italy |
| Nov | | Charles de Bonneval † | Bishop of Sarlat, France |
| Nov | | János Gosztonyi † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |