| Date | Age | Bishop | Title |
|---|
| unknown | | Pierre de Affatatis † | Bishop of Minori, Italy |
| unknown | | Friedrich von Ampten † | Bishop of Reval (Rewel), Estonia |
| unknown | | Pietro Bovio † | Bishop Emeritus of Ostuni, Italy |
| unknown | | Giambattista Caracciolo Pisquizi † | Bishop of Venafro, Italy |
| unknown | | Antonio Codina, O.S.A. † | Auxiliary Bishop of Barcelona, Spain |
| unknown | | Ludovico de Cotes, O.S.A. † | Bishop of Ampurias e Civita, Italy |
| unknown | | Agostino Gonzaga † | Archbishop of Reggio Calabria, Italy |
| unknown | | Giacomo de Medro, O.F.M. † | Bishop of Dulcigno (Olcini, Olgun), Montenegro |
| unknown | | Giovanni Maria Pisauro † | Bishop of Paphos, Cyprus |
| unknown | | Marino Ruffino † | Bishop of Melfi e Rapolla, Italy |
| unknown | | François de Sarcus † | Bishop of Le Puy-en-Velay, France |
| unknown | | Filippo Angelo Seragli, O.S.B. † | Bishop of Alife, Italy |
| unknown | | Giovanni Simonetta † | Bishop of Lodi, Italy |
| unknown | | Giovanni Lucio Stafileo † | Bishop of Šibenik (Knin), Croatia |
| 19 Jan | 54.0 | Antonio de Fonseca, O.S.A. † | Bishop Emeritus of Pamplona, Spain |
| 7 Feb | 77.0 | Reinhold Buschoveden (Buxhoeveden) † | Bishop Emeritus of Ösell (Oesell) [Saare-Lääne], Estonia |
| 13 Mar | 64.1 | Louis de Bourbon de Vendôme (II) † | Cardinal, Bishop Emeritus of Laon, France |
| 5 May | 53.3 | Jorge de Austria † | Bishop of Liège, Belgium |
| 7 May | 75.3 | Giovanni Pietro Ferretti † | Bishop Emeritus of Lavello, Italy |
| 20 May | | Pietro Gazino, C.R.L. † | Bishop of Aosta, Italy |
| 31 May | 71.4 | Juan Martínez Silíceo † | Cardinal, Archbishop of Toledo, Spain |
| 7 Jun | 57.4 | Jacques d’Annebaut † | Cardinal, Bishop of Lisieux, France |
| 25 Jun | 52.4 | Jan Drohojowski † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 21 Jul | | Heinrich Kurz (Kurtino) † | Auxiliary Bishop of Passau, Germany |
| Aug | | Dominic Tirrey † | Bishop of Cork and Cloyne, Ireland |
| 1 Aug | 66.8 | Olaus Månsson † | Archbishop of Uppsala, Sweden |
| 10 Aug | 61.6 | Fabio Mignanelii † | Cardinal, Bishop Emeritus of Lucera, Italy |
| 6 Sep | | Matthieu de Longuejoue † | Bishop of Soissons, France |
| 15 Sep | 69.1 | Juan Álvarez de Toledo, O.P. † | Cardinal, Archbishop of Santiago de Compostela, Spain |
| 22 Sep | | Robert Warton (Parfew) † | Bishop of Hereford, England, Great Britain |
| 27 Sep | 52.7 | Leopoldo de Austria † | Bishop of Córdoba, Spain |
| 30 Sep | | Philibert Dugny de Courgengoux, O.S.B. † | Bishop of Autun, France |
| 6 Oct | | John Salcot (Capon), O. Carm. † | Bishop Emeritus of Bangor, Wales, Great Britain |
| 12 Oct | | Jean Du Mar † | Bishop-Elect of Dol, France |
| 19 Oct | | Martín Sarmiento de Osacastro, O.F.M. † | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 24 Dec | 50.2 | Durante Duranti † | Cardinal, Bishop of Brescia, Italy |
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