| Date | Age | Bishop | Title |
| unknown | 47.0 | Jacinto de Boada y Montenegro † | Bishop of Valladolid, Spain |
| unknown | 65.0 | Bonaventura Claverio, O.F.M. Conv. † | Bishop of Potenza, Italy |
| unknown | 41.0 | Camillo de Mari, C.R.S. † | Bishop of Nebbio, France |
| unknown | 70.0 | Frutos Bernardo Patón de Ayala † | Bishop of Sigüenza, Spain |
| Jan | | Sancho Pardo de Cárdenas † | Bishop of Panamá |
| 1 Jan | 65.0 | Hardouin de Péréfixe de Beaumont † | Archbishop of Paris, France |
| 6 Jan | | Carlo Spinola, O.S.M. † | Archbishop of Rossano, Italy |
| 20 Jan | 57.1 | Johannes Holler † | Auxiliary Bishop of Trier, Germany |
| 22 Feb | 54.1 | Giovanni Riquelme † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Mar | 65.2 | Dionisio Pérez Escobosa † | Bishop of Zamora, Spain |
| 1 Mar | 75.2 | Miguel de Cárdenas, O. Carm. † | Bishop of Ciudad Rodrigo, Spain |
| 1 Mar | | Ludovici du Chaine † | Bishop of Senez, France |
| 1 Mar | 85.1 | Marzio Ginetti † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 17 Mar | | Jerónimo Rodríguez de Valderas, O. de M. † | Bishop of Jaén, Spain |
| 18 Apr | | Carlo Azzolini † | Bishop Emeritus of Bagnoregio (Bagnorea), Italy |
| 21 Apr | 43.3 | Serafino Corio, C.R. † | Bishop of Lodi, Italy |
| 11 May | | Manuel de Noronha † | Bishop of Coimbra, Portugal |
| 12 May | 81.6 | Pedro de Villagómez Vivanco † | Archbishop of Lima, Peru |
| 16 May | 62.4 | Luis Tello de Olivares † | Bishop of Mondoñedo, Spain |
| 22 May | 47.0 | Aleksander Kazimierz Sapieha † | Bishop of Vilnius, Lithuania |
| 9 Jun | 63.8 | Sebastian Ignaz von Rostock † | Bishop of Wrocław (Breslau), Poland |
| 10 Jun | 72.4 | François de Lorraine-Chaligny † | Former Bishop-Elect of Verdun, France |
| 7 Jul | 71.5 | Pierre de Broc † | Bishop of Auxerre, France |
| 22 Jul | 77.9 | Angelo Pineri † | Bishop of Marsico Nuovo, Italy |
| 27 Jul | 54.6 | Philibert-Emmanuel d’Angennes de Rambouillet † | Bishop of Le Mans, France |
| 3 Aug | 64.0 | Antonio Barberini (Jr.), O.S.Io.Hieros. † | Cardinal, Archbishop of Reims, France |
| 26 Aug | 51.3 | Marco Vaccina † | Bishop of Trevico, Italy |
| Sep | 53.5 | Giovanni Carlo Baldovinetti, O.P. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| Sep | 72.7 | Giuseppe Caro † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 7 Sep | 53.7 | Vitaliano Visconti † | Cardinal, Archbishop of Monreale, Italy |
| 14 Sep | | Ascanio Piccolomini † | Archbishop of Siena, Italy |
| 21 Sep | 72.7 | Juan Aguirre y Gorozpe † | Bishop of Durango, México |
| 26 Sep | 38.7 | Jean de Montigny † | Bishop of Saint-Pol-de-Léon, France |
| 1 Oct | 80.8 | Agazio di Somma † | Bishop of Catanzaro, Italy |
| 7 Oct | | Martin Prats † | Bishop of Ypres (Ieper), Belgium |
| 10 Oct | | Riginaldo Lucarini, O.P. † | Bishop of Città della Pieve, Italy |
| 15 Oct | | Tommaso Salviati † | Bishop of Arezzo, Italy |
| 25 Oct | 34.8 | Jerónimo Mascareñas † | Bishop of Segovia, Spain |
| 3 Nov | 60.8 | Pedro Sanches Farinha † | Bishop of Angola e Congo, Angola |
| 6 Nov | 71.8 | Angelo Celsi † | Cardinal, Prefect of the Congregation of the Council |
| 23 Nov | 72.9 | Francesco de Estrada † | Archbishop of Brindisi, Italy |
| 6 Dec | 75.3 | Sebastian Denich † | Auxiliary Bishop of Regensburg, Germany |
| 14 Dec | 45.0 | Antonio Possenti † | Bishop of Montefeltro, Italy |
| 26 Dec | 52.0 | Manuel de Saldanha † | Bishop of Viseu, Portugal |