| Date | Age | Bishop | Title |
| unknown | | Corrado Asinari † | Bishop of Vercelli, Italy |
| unknown | | Claudio Borghese † | Bishop of Grosseto, Italy |
| unknown | | Bartolomeo Corsini † | Bishop of Bova, Italy |
| unknown | 83.0 | Agustín Coruña Velasco, O.S.A. † | Bishop of Popayán, Colombia |
| unknown | | Antonio de Hervias, O.P. † | Bishop of Cartagena, Colombia |
| unknown | | Beatus di Porta † | Bishop Emeritus of Chur, Switzerland |
| unknown | | Antonello de Folgore † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| unknown | | Antonio García de Valtorres, O. Cist. † | Auxiliary Bishop of Zaragoza, Spain |
| unknown | | Agustín Gaillart, O.S.B. † | Bishop of Elne, France |
| unknown | | Jerónimo García, O.SS.T. † | Bishop of Bosa, Italy |
| unknown | | Giovanni Bernardino Grandopoli † | Bishop of Lettere (-Gragnano), Italy |
| unknown | | Denis Hurault † | Former Bishop-Elect of Orléans, France |
| unknown | | Miler O’Higgens † | Archbishop of Tuam, Ireland |
| unknown | | Annibal Pauli † | Bishop of Cervia, Italy |
| unknown | | Tommaso Sperandio Corbelli † | Bishop of Bagnoregio (Bagnorea), Italy |
| unknown | 70.0 | Fernando de Toledo de Oropesa † | Priest |
| unknown | | Sisto Visdomini, O.P. † | Bishop of Modena, Italy |
| 11 Feb | 58.1 | Domingo de Alzola, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 24 Feb | 80.1 | Luis Zapata de Cárdenas, O.F.M. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 24 Feb | | Claudio Marescotti, O.S.B. † | Bishop of Strongoli, Italy |
| 17 Apr | | Giovanni Battista Bracelli † | Bishop of Luni e Sarzana, Italy |
| 27 Apr | | Lodovico Michelio † | Bishop of Alba (Pompea), Italy |
| 9 May | 66.6 | Charles Bourbon de Vendôme † | Cardinal, Archbishop of Rouen, France |
| 28 Jun | 67.5 | Martin von Schaumberg † | Bishop of Eichstätt, Germany |
| 8 Jul | | Sebastian Bollinger † | Auxiliary Bishop of Würzburg, Germany |
| 16 Jul | 76.2 | Bl. Bartolomé Fernandes dos Mártires, O.P. † | Archbishop Emeritus of Braga, Portugal |
| 5 Aug | | Giovanni Trevisan † | Patriarch of Venezia {Venice}, Italy |
| 7 Aug | | Paolo Leoni † | Bishop of Ferrara, Italy |
| 20 Aug | | Piotr Dunin Wolski † | Bishop of Płock, Poland |
| 27 Aug | 68.7 | Felice Peretti Montalto, O.F.M. Conv. † | Pope (Roma {Rome}, Italy) |
| 29 Aug | 58.7 | Pedro Fernández Temiño † | Bishop of Avila, Spain |
| 4 Sep | | Wolfgang Holl † | Auxiliary Bishop of Eichstätt, Germany |
| 27 Sep | 69.1 | Giovanni Battista Castagna † | Pope (Roma {Rome}, Italy) |
| 2 Oct | | Francisco Pacheco de Córdoba † | Bishop of Córdoba, Spain |
| 4 Oct | 59.3 | Federico Cornaro (Sr.), O.S.Io.Hieros. † | Cardinal, Bishop of Padova {Padua}, Italy |
| 1 Nov | | Juan Zuazola † | Bishop of Astorga, Spain |
| 7 Nov | 70.8 | Antonio de San Miguel Avendaño y Paz, O.F.M. † | Bishop of Quito, Ecuador |
| 11 Nov | | Emilio Scataratica † | Bishop of Ravello, Italy |
| 27 Nov | | Muzio Bongiovanni † | Archbishop of Sorrento, Italy |