| Date | Age | Bishop | Title |
| unknown | 36.0 | Paolo Benzoni, C.R.L. † | Bishop of Sora, Italy |
| unknown | | Ippolito Borghese, O.S.B. † | Bishop of Pienza, Italy |
| unknown | 48.0 | Francesco Cavaliere † | Bishop of Valva, Italy |
| unknown | | Leonel de Cervantes y Caravajal † | Bishop of Antequera, Oaxaca, México |
| unknown | | Zanobi de’ Medici, O.P. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| unknown | | Barthélemy de Donnadieu de Griet † | Bishop of (Saint-Bernard de) Comminges, France |
| unknown | | Charles-Salomon du Serre † | Bishop of Gap, France |
| unknown | 49.0 | Onorio de Verme † | Bishop of Ravello e Scala, Italy |
| unknown | | Melchiorre Pirella † | Bishop of Ales e Terralba, Italy |
| unknown | 65.0 | Girolamo Tantucci † | Bishop of Grosseto, Italy |
| Jan | | Alessandro Deti (Deto) † | Bishop of Anglona-Tursi, Italy |
| 1 Jan | 67.0 | Diego Merino, O. Carm. † | Bishop of Isernia, Italy |
| Feb | 53.1 | Costantino Testi, O.P. † | Bishop of Satriano e Campagna, Italy |
| 5 Feb | | Josyf Veliamyn Rutski † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| Mar | 64.1 | Juan Serrano Ortiz, O.F.M. † | Bishop of Acerno, Italy |
| 16 Mar | 80.2 | Alessandro Guidiccioni (Jr.) † | Bishop of Lucca, Italy |
| 19 Mar | 66.5 | Péter Pázmány, S.J. † | Cardinal, Archbishop of Esztergom, Hungary |
| 8 Apr | | Giovanni Battista Colonna † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 8 Apr | 63.3 | António da Ressurreição, O.P. † | Bishop of Angra, Portugal |
| 17 Apr | 71.3 | François de Rye † | Archbishop of Besançon, France |
| May | | Sallustio Bartoli † | Bishop of Strongoli, Italy |
| 1 May | 75.0 | Antonio Pérez, O.S.B. † | Archbishop of Tarragona, Spain |
| 12 Jun | | Barthélémy Camelin † | Bishop of Fréjus, France |
| Jul | 53.5 | Domenico Ravenna † | Bishop of Nicastro, Italy |
| 9 Jul | | Justino Antolínez Burgos † | Bishop of Tortosa, Spain |
| 14 Jul | | Giovanni Battista Piccolomini † | Bishop of Chiusi, Italy |
| 28 Jul | 74.6 | Johann Christoph von Westerstetten † | Bishop of Eichstätt, Germany |
| 11 Aug | | Pedro Fernández Zorrilla † | Bishop of Pamplona, Spain |
| 30 Aug | 72.7 | Laudivio Zacchia † | Cardinal, Bishop Emeritus of Corneto (Tarquinia) e Montefiascone, Italy |
| 5 Sep | 76.7 | Francisco de Rivera y Pareja, O. de M. † | Bishop of Michoacán, México |
| 19 Sep | 53.7 | Lorenzo Magalotti † | Cardinal, Bishop of Ferrara, Italy |
| 30 Oct | 59.2 | Gaspar Prieto Orduña, O. de M. † | Bishop of Perpignan-Elne, France |
| 4 Nov | 68.8 | Michael Ophovius, O.P. † | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 11 Nov | 73.9 | Diego Zúñiga Sotomayor † | Bishop of Zamora, Spain |
| 17 Nov | | Charles de Beaumanoir de Lavardin † | Bishop of Le Mans, France |
| Dec | 64.9 | Antonio Ricci † | Bishop of Arezzo, Italy |
| 24 Dec | 58.0 | Juan López de Agurto de la Mata † | Bishop of Coro, Venezuela |