| Date | Age | Bishop | Title |
| unknown | 52.0 | Cipriano Arcón (Azcon) † | Bishop of Alghero, Italy |
| unknown | | Pompeo Balbani † | Bishop of Castro [del Lazio], Italy |
| unknown | | Lorenzo Campeggi † | Bishop of Senigallia, Italy |
| unknown | 74.8 | Domingo Cano de Haro, O.P. † | Bishop of Cádiz, Spain |
| unknown | 66.0 | Stanisław Łoza † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| unknown | | Giovanni Thomas Marnavich † | Bishop of Bosnia, Croatia |
| unknown | | Vincenzo Meligne † | Bishop of Ostuni, Italy |
| unknown | 60.0 | Raymond de Montaigne † | Bishop of Bayonne, France |
| unknown | | Silvester Morosini † | Bishop of Treviso, Italy |
| unknown | 74.0 | Giovanni Maria Olmo † | Bishop of Bosa, Italy |
| unknown | | Vincenzo Giovanni Spínola, O.S.A. † | Bishop of Brugnato, Italy |
| unknown | 63.4 | Fernando Valdés Llano † | Archbishop of Granada, Spain |
| unknown | 74.0 | Francisco de Zamudio y Avendaño, O.S.A. † | Bishop of Nueva Caceres, Philippines |
| 27 Jan | 68.1 | 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 |
| 24 Feb | | Jacques van den Borgh † | Bishop of Roermond, Netherlands |
| 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 |
| 1 Apr | 56.7 | Anton Wolfradt † | Bishop of Wien, Austria |
| 6 Apr | 75.4 | Berlinghiero Gessi † | Cardinal, Bishop Emeritus of Rimini, Italy |
| 8 Apr | 69.3 | Alfonso de Requeséns Fenollet, O.F.M. † | Bishop of Barbastro, Spain |
| 22 May | | Louis de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France |
| 31 May | | Fernando Núñez Sagredo, O.SS.T. † | Bishop of Nicaragua |
| Jul | | Benedetto Rezzani † | Bishop of Sagone (Sagona), France |
| 13 Jul | | Gaspar do Rego da Fonseca † | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 21 Jul | | Pierre Cornulier † | Bishop of Rennes, France |
| 23 Jul | 68.5 | Pedro González de Mendoza, O.F.M. † | Bishop of Sigüenza, Spain |
| 21 Aug | 72.6 | Desiderio Scaglia, O.P. † | Cardinal, Bishop Emeritus of Como, Italy |
| 6 Sep | 86.7 | Agostino Galamini, O.P. † | Cardinal, Bishop of Osimo, Italy |
| 7 Sep | 57.7 | 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 | 77.8 | Plácido Pacheco de Haro, O.S.B. † | Bishop of Plasencia, Spain |
| 14 Nov | 47.9 | Maurizio Centini, O.F.M. Conv. † | Bishop of Mileto, Italy |
| 23 Nov | 75.9 | Timoteo Caselli, O.P. † | Bishop of Marsico Nuovo, Italy |
| 24 Nov | | Dinis de Melo e Castro † | Bishop of Guarda, Portugal |
| 25 Nov | | François de Péricard † | Bishop of Avranches, France |
| 8 Dec | 64.2 | Diego Rueda Rico † | Bishop of Tui, Spain |