| Date | Age | Bishop | Title |
| unknown | 52.0 | Cipriano Arcón (Azcon) † | Bishop of Alghero, Italy |
| unknown | | Pompeo Balbani † | Bishop of Castro [del Lazio], Italy |
| unknown | 74.7 | Domingo Cano de Haro, O.P. † | Bishop of Cádiz, Spain |
| unknown | 56.0 | Marco Antonio Cornaro † | Bishop of Padova {Padua}, Italy |
| unknown | | Lev Revuckyj Krevza † | Bishop of Smoleńsk (Ukrainian), Russian Federation |
| unknown | 66.0 | Stanisław Łoza † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| unknown | 60.0 | Ivan Tomko Mrnavić (Marnavich) † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| unknown | | Vincenzo Meligne † | Bishop of Ostuni, Italy |
| unknown | 35.0 | Silvestro Morosini † | Bishop of Treviso, Italy |
| unknown | 74.0 | Giovanni Maria Olmo † | Bishop of Bosa, Italy |
| unknown | 50.0 | Philippe Paternay, O.M. † | Auxiliary Bishop of Besançon, France |
| unknown | | Maximilianus Raguzzi † | Bishop of Vulturara e Montecorvino, Italy |
| unknown | | Vincenzo Giovanni Spínola, O.S.A. † | Bishop of Brugnato, Italy |
| 27 Jan | 68.0 | Fabrizio Verospi † | Cardinal, Prefect of the Congregation of the Council |
| Feb | | Germanicus Mantica † | Bishop of Adria, Italy |
| 8 Feb | 52.5 | Johann Anton Tritt von Wilderen † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 20 Feb | | Matthias Geissler † | Bishop of Wiener Neustadt, Austria |
| 24 Feb | 79.1 | Jacques van den Borgh † | Bishop of Roermond, Netherlands |
| 27 Feb | 54.1 | François de Loménie, O.P. † | Bishop of Marseille, France |
| 6 Mar | | Scipione Spina † | Bishop of Lecce, Italy |
| 12 Mar | 87.7 | Domenico Ginnasi † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 13 Mar | 69.9 | Servaas de Quinckere † | Bishop of Brugge {Bruges}, Belgium |
| 31 Mar | | Fernando Núñez Sagredo, O.SS.T. † | Bishop of Nicaragua |
| 1 Apr | 57.7 | Anton Wolfradt † | Bishop of Wien, Austria |
| 6 Apr | 75.4 | Berlinghiero Gessi † | Cardinal, Bishop Emeritus of Rimini, Italy |
| 8 Apr | 69.2 | Alfonso de Requeséns Fenollet, O.F.M. † | Bishop of Barbastro, Spain |
| 27 Apr | 69.3 | Francisco de Zamudio y Avendaño, O.S.A. † | Bishop of Nueva Caceres, Philippines |
| 22 May | 62.3 | Louis de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France |
| Jul | | Benedetto Rezzani † | Bishop of Sagone (Sagona), France |
| 13 Jul | | Gaspar do Rego da Fonseca † | Bishop of Porto, Portugal |
| 20 Jul | 52.5 | João da Rocha, S.J. † | Coadjutor Patriarch of Ethiopia |
| 21 Jul | 64.5 | Pierre Cornulier † | Bishop of Rennes, France |
| 23 Jul | 68.4 | Pedro González de Mendoza, O.F.M. † | Bishop of Sigüenza, Spain |
| 9 Aug | | Lorenzo Campeggi † | Bishop of Senigallia, Italy |
| 21 Aug | 70.9 | Desiderio Scaglia, O.P. † | Cardinal, Bishop Emeritus of Como, Italy |
| 6 Sep | 86.6 | Agostino Galamini, O.P. † | Cardinal, Bishop of Osimo, Italy |
| 7 Sep | 57.6 | Georg Hammer † | Auxiliary Bishop of Magdeburg, Germany |
| 27 Sep | 46.6 | Louis de Nogaret de La Valette † | Cardinal, Former Archbishop-Elect of Toulouse, France |
| 5 Oct | 77.7 | Plácido Pacheco de Haro, O.S.B. † | Bishop of Plasencia, Spain |
| 14 Nov | 44.8 | Maurizio Centini, O.F.M. Conv. † | Bishop of Mileto, Italy |
| 23 Nov | 75.8 | Timoteo Castelli, O.P. † | Bishop of Marsico Nuovo, Italy |
| 24 Nov | | Dinis de Melo e Castro † | Bishop of Guarda, Portugal |
| 25 Nov | 90.8 | François de Péricard † | Bishop of Avranches, France |
| 8 Dec | 64.1 | Diego Rueda Rico † | Bishop of Tuy, Spain |
| 30 Dec | 64.4 | Fernando Valdés Llano † | Archbishop of Granada, Spain |