| Date | Age | Bishop | Title |
| unknown | | Eleuterio Albergone, O.F.M. Conv. † | Bishop of Montemarano, Italy |
| unknown | | Iñigo de Avalos † | Bishop of Ischia, Italy |
| unknown | | Giovan Battista Curiale (Correale) † | Bishop of Nicastro, Italy |
| unknown | 52.7 | Urbano Feliceo † | Bishop of Policastro, Italy |
| unknown | | Petrus Massarecchius † | Archbishop of Bar (Antivari), Montenegro |
| unknown | 63.0 | Antonio de Mattei (Mattheis) † | Bishop of Castellaneta, Italy |
| unknown | | João de Valadares, O.S.A. † | Bishop of Porto, Portugal |
| Jan | 54.0 | Girolamo de Franchis † | Archbishop of Capua, Italy |
| Jan | 34.0 | Stefano Siri † | Bishop of Sagone (Sagona), France |
| 6 Jan | | Giuliano de’ Medici † | Archbishop of Pisa, Italy |
| 9 Jan | | Cesare Bartorelli † | Bishop of Forli, Italy |
| 19 Jan | | Jodok Wagenhauer † | Auxiliary Bishop of Würzburg, Germany |
| Feb | | Domenico de’ Marini † | Archbishop of Genova, Italy |
| 5 Feb | | Niceforo Melisseno Comneno † | Bishop of Crotone (Cotrone), Italy |
| Mar | | Léger de Plas, O.S.B. † | Bishop of Lectoure, France |
| 27 Mar | 79.7 | Pedro Ginés Casanova † | Bishop of Segorbe, Spain |
| 1 Apr | | Fabrizio Sirleto † | Bishop of Squillace, Italy |
| 22 Apr | 54.3 | Roberto Ubaldini † | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 27 Apr | 84.6 | Antonio Zapata y Cisneros † | Cardinal, Archbishop Emeritus of Burgos, Spain |
| 17 May | 72.4 | Diego Vela Becerril † | Bishop of Tui, Spain |
| 8 Jun | 57.4 | Jean-François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| Jul | 38.5 | Dominicus Ferro † | Bishop of San Severo, Italy |
| 12 Jul | 58.5 | Agostino Oreggi (Oregius) † | Cardinal, Archbishop of Benevento, Italy |
| 16 Jul | | Francisco Romero, O. Carm. † | Bishop of Vigevano, Italy |
| 25 Jul | 54.6 | Fabrizio Antinoro † | Bishop of Siracusa, Italy |
| 4 Aug | | Paolo Emilio Santoro (Santorio) † | Archbishop of Urbino, Italy |
| 6 Aug | 58.6 | Joseph Mohr von Zernetz † | Bishop of Chur, Switzerland |
| 16 Aug | 51.6 | Juan Arauz Díaz, O.F.M. † | Bishop of Guadix, Spain |
| 26 Aug | | Francisco Villafañe † | Bishop of Osma, Spain |
| 10 Sep | 48.7 | Vincenzo Martinelli, O.P. † | Bishop of Venafro, Italy |
| 16 Sep | 70.3 | Juan Roco Campofrío, O.S.B. † | Bishop of Coria, Spain |
| 13 Oct | 52.8 | Jacinto del Cerro, O.P. † | Bishop of Gaeta, Italy |
| 22 Oct | 45.8 | István Sennyey † | Bishop of Győr (Raab), Hungary |
| 29 Oct | | Ambrosio Vallejo Mejía, O. Carm. † | Bishop of Trujillo, Peru |
| Nov | | Lodovico Saffiro † | Bishop of Squillace, Italy |
| 7 Nov | | Pedro Miguel Valsorga † | Coadjutor Bishop of Huesca, Spain |
| 11 Nov | 57.9 | Paul Boudot (Boudet) † | Bishop of Arras, France |