| Date | Age | Bishop | Title |
| unknown | | Marino Badoer, O.S.B. † | Bishop of Pula (Pola), Croatia |
| unknown | 55.0 | Ferdinando Bruni, O.F.M. † | Bishop of Lacedonia, Italy |
| unknown | 61.0 | Giovanni Battista Falesi, O.P. † | Bishop of Mottola (Motula), Italy |
| unknown | | Alberto Giunti † | Bishop of Castro [del Lazio], Italy |
| unknown | 61.0 | Girolamo Martini † | Bishop of Ugento, Italy |
| unknown | 62.0 | Alessandro Masi † | Bishop of Valva, Italy |
| unknown | | Fernando Montero Espinosa † | Archbishop of Manila, Philippines |
| unknown | | Pedro Neila † | Bishop of Segovia, Spain |
| unknown | 66.0 | Charles de Nouailles † | Bishop of Rodez, France |
| Jan | | Silvestro Andreozzi † | Bishop of Penne e Atri, Italy |
| Jan | 41.0 | Aniello Campagna † | Bishop of Nusco, Italy |
| 2 Jan | 82.8 | Isidoro Aliaga, O.P. † | Archbishop of Valencia, Spain |
| 3 Jan | 76.2 | Giacomo Goria † | Bishop of Vercelli, Italy |
| 28 Jan | 38.1 | Augustinus Donghi, C.R. † | Bishop of Aleria, France |
| 28 Jan | | Giovanni Torresiglia (Torrecilla Manso) † | Archbishop of Monreale, Italy |
| 11 Feb | 68.1 | Malatesta Baglioni † | Bishop of Assisi, Italy |
| 15 Feb | 80.1 | Antoine de Coues † | Bishop Emeritus of Condom, France |
| 20 Feb | | Antonio Henriquez Porres, O.F.M. † | Bishop of Málaga, Spain |
| Mar | | Michael Rezzi (Resti) † | Bishop of Ascoli Satriano, Italy |
| 12 Apr | | Gerolamo Pellegrini † | Bishop of Melfi e Rapolla, Italy |
| 25 Apr | | Francisco Pérez Roy † | Bishop of Guadix, Spain |
| 30 Apr | 41.3 | Emmeric-Marc de La Ferté † | Bishop of Le Mans, France |
| 3 May | | Juan Domingo Briz Trujillo † | Bishop of Jaca, Spain |
| 5 May | 75.3 | Paolo Palumbo, C.R. † | Bishop of Cassano all’Jonio, Italy |
| 25 May | | Giuseppe Maria Piccini (Pizzini), O.P. † | Bishop of Caorle, Italy |
| 14 Jun | 69.5 | Placido Padiglia, O.S.B. † | Bishop of Alessano, Italy |
| 1 Jul | 66.5 | Juan Vélez de Valdivielso † | Bishop of Cartagena (en España) |
| 13 Jul | | Pietro de Marchi, O.P. † | Archbishop of Izmir (Smirne), Turkey |
| 30 Jul | 67.6 | César Argelli (de Paltronibus) † | Archbishop of Avignon, France |
| 23 Aug | | Vincenzo Napoli † | Bishop of Patti, Italy |
| 24 Aug | 66.9 | Damián Lopez de Haro y Villarda, O.SS.T. † | Bishop of Puerto Rico (Porto Rico) |
| 28 Aug | | Alessandro Strozzi † | Bishop of San Miniato, Italy |
| 31 Aug | 43.0 | Michel Mazarin, O.P. † | Cardinal, Archbishop of Aix, France |
| Sep | | Giacinto Petroni, O.P. † | Bishop of Molfetta, Italy |
| 6 Sep | 101.0 | Antonio Sotomayor, O.P. † | Titular Archbishop of Damascus |
| Oct | | Giovanni Battista Morra † | Bishop of Isola, Italy |
| Oct | | Alfonso Pandolfi † | Bishop of Comacchio, Italy |
| 27 Oct | 84.8 | Guillaume d’Hugues, O.F.M. Conv. † | Archbishop of Embrun, France |
| 14 Dec | 64.0 | Lelio Falconieri † | Cardinal, Secretary of the Congregation of Bishops and Regulars |