| Date | Age | Bishop | Title |
| unknown | | Franjo Ergelski Hasanović † | Bishop of Zagreb (Agram), Croatia |
| unknown | 67.0 | Thomas Ivkovich, O.F.M. † | Bishop of Scardona (Skradin), Italy |
| unknown | | Elias Marini (Marinich), O.F.M. † | Bishop of Sardica (Sredek, Sofia), Bulgaria |
| unknown | 50.0 | Antonio Nusco (Nuseo) † | Bishop of Alghero, Italy |
| unknown | | Marcello Stella † | Bishop of Isernia, Italy |
| unknown | | Jakub Zadzik † | Bishop of Kraków, Poland |
| Jan | 61.0 | Gian Gaspare Melis † | Bishop of Anagni, Italy |
| 5 Jan | | Francisco do Soveral, O.S.A. † | Bishop of Angola e Congo, Angola |
| Feb | | Dionisio Tomacelli, O. Carm. † | Bishop of Castro di Puglia, Italy |
| 8 Feb | 55.9 | Juan Velasco Acevedo † | Bishop of Orense, Spain |
| 9 Feb | | Imre Lósy † | Archbishop of Esztergom, Hungary |
| 14 Mar | | Antonio González Acevedo † | Bishop of Coria, Spain |
| 31 Mar | 61.2 | Pedro Rosales Encio † | Bishop of Lugo, Spain |
| Apr | 30.3 | Diego de Guevara y Estrada † | Archbishop of Santo Domingo, Dominican Republic |
| 15 Apr | 46.8 | Luigi Caetani † | Cardinal, Archbishop Emeritus of Capua, Italy |
| May | | Claude de Saint-Bonnet de Thoiras † | Bishop Emeritus of Nîmes, France |
| 1 May | 58.3 | Cosimo de Torres † | Cardinal, Archbishop of Monreale, Italy |
| 27 May | | Gonzalo Chacón Velasco y Fajardo † | Bishop of Calahorra y La Calzada, Spain |
| 29 May | | Nikolaus Aliprandi von Thomasis † | Auxiliary Bishop of Passau, Germany |
| 15 Jun | 43.5 | Pietro Maria Borghese † | Cardinal, Cardinal-Deacon of San Crisogono |
| 30 Jul | 45.9 | Franz von Hatzfeld † | Bishop of Würzburg, Germany |
| Aug | 65.6 | Jacobus Faganeo (Fagagna), O.S.H. † | Bishop of Korčula (Curzola, Cursola), Croatia |
| Aug | | Bartolomeo Gessi † | Bishop of Vulturara e Montecorvino, Italy |
| 29 Aug | | Antonio Guzmán Cornejo † | Bishop of Tui, Spain |
| Sep | | Torquato Perotti † | Bishop of Amelia, Italy |
| 12 Oct | 57.8 | Cristoforo Caetani † | Bishop of Foligno, Italy |
| 19 Nov | 69.7 | Giovanni (Giannettino) Doria † | Cardinal, Archbishop of Palermo, Italy |
| 21 Nov | | Decius Giustiniani, O.P. † | Bishop of Aleria, France |
| 4 Dec | 32.8 | Tommaso D’Avalos, O.P. † | Bishop of Lucera, Italy |
| 4 Dec | 57.2 | Armand-Jean du Plessis de Richelieu † | Cardinal, Bishop Emeritus of Luçon, France |
| 25 Dec | 66.0 | Baltasar Navarro Arroytia † | Bishop of Tarazona, Spain |
| 28 Dec | 69.3 | Johannes Pelking (Pelcking), O.F.M. Conv. † | Auxiliary Bishop of Paderborn, Germany |
| 28 Dec | 61.0 | Johannes Kaspar Stredele † | Auxiliary Bishop of Passau, Germany |
| 29 Dec | 84.0 | Melchor Rodríguez de Torres, O. de M. † | Auxiliary Bishop of Burgos, Spain |