| Date | Age | Bishop | Title |
| unknown | | Francesco Cavaliere † | Bishop of Sulmona, Italy |
| unknown | | Leonel de Cervantes y Caravajal † | Bishop of Antequera, Oaxaca, México |
| unknown | | Jacinto del Cerro, O.P. † | Bishop of Gaeta, Italy |
| unknown | | Antonio Ricci † | Bishop of Arezzo, Italy |
| 1 Jan | 67.0 | Diego Merino, O. Carm. † | Bishop of Isernia, Italy |
| Mar | 64.1 | Juan Serrano Ortiz, O.F.M. † | Bishop of Acerno, Italy |
| 16 Mar | | Alessandro Guidiccioni (Jr.) † | Bishop of Lucca, Italy |
| 19 Mar | 66.5 | Péter Pázmány, S.J. † | Cardinal, Archbishop of Esztergom, Hungary |
| 8 Apr | | António da Ressurreição, O.P. † | Bishop of Angra, Portugal |
| 17 Apr | 71.3 | François de Rye † | Archbishop of Besançon, France |
| 1 May | 75.0 | Antonio Pérez, O.S.B. † | Archbishop of Tarragona, Spain |
| 9 Jul | | Justino Antolínez Burgos † | Bishop of Tortosa, Spain |
| 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 Montefiascone, Italy |
| 5 Sep | 76.7 | Francisco de Rivera y Pareja, O. de M. † | Bishop of Michoacán, 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 |
| 11 Nov | 73.9 | Diego Zúñiga Sotomayor † | Bishop of Zamora, Spain |
| 24 Dec | 58.0 | Juan López de Agurto de la Mata † | Bishop of Coro, Venezuela |