| Date | Age | Bishop | Title |
| unknown | | Alticotius de Alticotiis † | Bishop of Guardialfiera (Guardia), Italy |
| unknown | | Francesco Beltramini † | Bishop of Terracina, Priverno e Sezze, Italy |
| unknown | | Giovanni Francesco Cibo † | Bishop of Gallipoli, Italy |
| unknown | | Filippo Geri † | Bishop of Assisi, Italy |
| unknown | | Giovanni Melis, O.F.M. Conv. † | Bishop of Bosa, Italy |
| unknown | | Patrick MacMahon, O.F.M. † | Bishop of Ardagh (and Clonmacnois), Ireland |
| unknown | | Dermot O’Cleary, O.F.M. † | Bishop of Mayo, Ireland |
| unknown | | Angelo Oraboni, O.F.M. † | Archbishop of Trani, Italy |
| unknown | | Gastone Ettore Paganelli † | Bishop of Gravina (di Puglia), Italy |
| unknown | | Gerolamo Politi, O.P. † | Bishop of Trevico, Italy |
| unknown | | Donato Stampa † | Bishop of Nepi e Sutri, Italy |
| unknown | | Paolo Terracino † | Bishop of Calvi Risorta, Italy |
| 11 Jan | 54.0 | Gianpaolo della Chiesa † | Cardinal, Cardinal-Priest of San Pancrazio |
| 17 Jan | | Antoine Le Cirier † | Bishop of Avranches, France |
| 29 Jan | 76.5 | Hernando de Aragón, O. Cist. † | Archbishop of Zaragoza, Spain |
| 16 Feb | | Crisostomo Calvino, O.S.B. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 10 Mar | | Thomas Albin von Helfenburg † | Bishop of Olomouc (Olmütz), Czech Republic |
| 18 Mar | | Marcantonio Bobba † | Cardinal, Bishop Emeritus of Aosta, Italy |
| 28 Apr | | Gonzalo Arias Gallego † | Bishop of Cartagena (en Espańa) |
| 4 Jun | 37.9 | Johann Eglof von Knöringen † | Bishop-Elect of Augsburg, Germany |
| 12 Jul | | Giovanni Battista Sighicelli † | Bishop of Faenza, Italy |
| 31 Jul | | Jerónimo de Corella (Covella), O.S.H. † | Bishop of Comayagua, Honduras |
| 9 Aug | | Giulio Contarini † | Bishop of Belluno, Italy |
| 9 Aug | | Giacomo Lomellino del Canto † | Archbishop of Palermo, Italy |
| 21 Sep | | Bernardo Jossa Cardona, O.S.B. † | Bishop of Vic, Spain |
| 22 Sep | | Stanisław Słomowski (Szbomowski) † | Archbishop of Lviv, Ukraine |
| 14 Oct | | Eustachio Locatelli, O.P. † | Bishop of Reggio Emilia, Italy |
| 17 Oct | 64.8 | Gaspar Cervantes de Gaete † | Cardinal, Archbishop of Tarragona, Spain |
| 25 Oct | | Jerónimo de Loayza, O.P. † | Archbishop of Lima, Peru |
| Nov | | Giovanni Andrea Signati † | Bishop of Bisignano, Italy |
| 1 Nov | | Simon Vigor † | Archbishop of Narbonne, France |
| 11 Nov | | Alexander Gordon † | Archbishop Emeritus of Glasgow, Scotland, Great Britain |
| 28 Nov | 69.4 | Girolamo Garimberti (Galimbertu) † | Bishop of Gallese, Italy |
| 14 Dec | | Martín Martínez de Villar † | Bishop of Barcelona, Spain |