| Date | Age | Bishop | Title |
| unknown | | Luca Fieschi † | Bishop of Albenga, Italy |
| unknown | | Simone Lunadoro † | Bishop of Nocera de’ Pagani, Italy |
| unknown | 40.0 | Mario Moro † | Bishop of Venosa, Italy |
| unknown | | Domenico Mudazio † | Bishop of Chiron, Greece |
| unknown | | Malachy O’Moloney † | Bishop of Kilmacduagh, Ireland |
| unknown | | Franciscus Optimates, O.F.M. † | Bishop of Milos (Melos), Greece |
| unknown | 67.0 | Lazaro Pellizzari, O.P. † | Bishop of Modena, Italy |
| unknown | | Giovanni Vitelli, C.R. † | Bishop of Capaccio, Italy |
| 1 Jan | 59.0 | Cinzio Passeri Aldobrandini † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 10 Jan | 63.0 | Matteo de Oviedo, O.F.M. † | Archbishop of Dublin, Ireland |
| 20 Jan | 70.1 | Jean du Bec (-Crespin) † | Bishop of Saint-Malo, France |
| 5 Feb | | Giuseppe de Rossi † | Archbishop of Acerenza e Matera, Italy |
| 17 Feb | 67.1 | Timocrate (Democrate) Aloigi (Aloisi) † | Bishop of Cagli, Italy |
| Mar | | Giovanni Antonio Viperani † | Bishop of Giovinazzo, Italy |
| 16 Mar | | Giuseppe Ferrerio † | Archbishop of Urbino, Italy |
| 19 Mar | 78.2 | Salentin von Isenburg † | Former Archbishop-Elect of Köln {Cologne}, Germany |
| 19 Mar | | Valeriano Muti † | Bishop of Cittŕ di Castello, Italy |
| 27 Mar | 44.2 | Innocenzo Del Bufalo-Cancellieri † | Cardinal, Bishop Emeritus of Camerino, Italy |
| 18 Apr | 60.3 | Gerolamo Arsengo, O.F.M. Conv. † | Bishop of Bacău, Romania |
| May | 52.3 | Luis Pereira de Miranda † | Bishop of Santiago de Cabo Verde |
| 13 May | 55.4 | Antonio de Alzega (Alcega), O.F.M. † | Bishop of Coro, Venezuela |
| 15 Jun | 53.5 | Charles de Bourbon-Navarre † | Archbishop Emeritus of Rouen, France |
| 23 Jun | 66.5 | Juan Orozco Covarrubias y Leiva † | Bishop of Guadix, Spain |
| 11 Aug | 66.6 | Girolamo Pamphilj † | Cardinal, Cardinal-Priest of San Biagio dell’Anello |
| 7 Sep | | Tomás de Borja † | Archbishop of Zaragoza, Spain |
| 21 Sep | 41.9 | Juan Esteban (Giovanni Stefano) Ferrero, O. Cist. † | Bishop of Vercelli, Italy |
| 22 Sep | 68.7 | Andrea Canuto † | Bishop Emeritus of Oppido Mamertina, Italy |
| 29 Sep | 38.7 | Theobald Mansharter † | Auxiliary Bishop of Speyer, Germany |
| 9 Oct | 71.8 | Eberhard von Dienheim † | Bishop of Speyer, Germany |
| 18 Oct | 79.8 | Alfonso Paleotti † | Archbishop of Bologna, Italy |
| 29 Oct | | Lorenzo Prezzato † | Bishop of Chioggia, Italy |
| 16 Nov | | António de Matos de Noronha † | Bishop of Elvas, Portugal |
| 24 Nov | | Lelio Landi † | Bishop of Nardň, Italy |
| 17 Dec | | Jacopo Roveglio (Rovelli) † | Bishop of Feltre, Italy |
| 30 Dec | | Diogo de Sousa † | Archbishop of Évora, Portugal |