| Date | Age | Bishop | Title |
|---|
| unknown | | Eleuterio Albergone, O.F.M. Conv. † | Bishop of Montemarano, Italy |
| unknown | | Iñigo de Avalos, C.R.L. † | Bishop of Ischia, Italy |
| unknown | 42.0 | Gaspard Bobek † | Bishop of Pedena, Austria |
| unknown | 65.0 | Giovanni Collesius, O.F.M. Obs. † | Coadjutor Bishop Emeritus of Stefaniaco e Benda, Albania |
| unknown | 52.6 | Urbano Felicio † | Bishop of Policastro, Italy |
| unknown | 59.0 | Theodorus Georgi, O.S.B. † | Bishop of Arbe (Rab), Croatia |
| unknown | | Joseph † | Bishop of Gazireh (Gezira) (Chaldean), Turkey |
| unknown | | Pietro Massarecchius † | Archbishop of Bar (Antivari), Montenegro |
| unknown | 63.0 | Antonio de Mattei (Mattheis) † | Bishop of Castellaneta, Italy |
| Jan | 54.0 | Girolamo de Franchis † | Archbishop of Capua, Italy |
| Jan | 33.9 | Giovanni 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 |
| 24 Mar | 86.2 | Léger de Plas, O.S.B. † | Bishop of Lectoure, France |
| 27 Mar | 79.6 | 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 | 84.5 | Antonio Zapata y Cisneros † | Cardinal, Archbishop Emeritus of Burgos, Spain |
| 17 May | 72.3 | Diego Vela Becerril † | Bishop of Tuy, Spain |
| 23 May | | João de Valladares, O.S.A. † | Bishop of Porto, Portugal |
| 8 Jun | 57.4 | Jean-François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| Jul | 38.5 | Domenico 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 | 54.5 | Fabrizio Antinori † | Bishop of Siracusa, Italy |
| 30 Jul | 75.5 | Paolo Emilio Santoro † | Archbishop of Urbino, Italy |
| 6 Aug | 58.5 | Joseph Mohr von Zernetz † | Bishop of Chur, Switzerland |
| 16 Aug | 51.6 | Juan Arauz Díaz, O.F.M. † | Bishop of Guadix, Spain |
| 26 Aug | 64.6 | Francisco Villafañe † | Bishop of Osma, Spain |
| 29 Aug | 85.6 | Jacques de Vény d’Arbouze † | Abbot Emeritus of Cluny, France |
| 10 Sep | 48.6 | Vincenzo Martinelli, O.P. † | Bishop of Venafro, Italy |
| 14 Sep | 52.7 | Gui Champion de Cicé † | Bishop of Tréguier, France |
| 16 Sep | 70.2 | Juan Roco Campofrío, O.S.B. † | Bishop of Coria, Spain |
| 13 Oct | 52.7 | 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 | 57.8 | Paul Boudot † | Bishop of Arras, France |
| 3 Dec | 36.8 | Henryk Firlej † | Bishop of Poznań, Poland |
| 29 Dec | 60.8 | Gerolamo Maria (Jacopo) Zambeccari, O.P. † | Bishop Emeritus of Minervino Murge, Italy |
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