| Date | Age | Bishop | Title |
|---|
| unknown | 69.0 | Antonio de Aguilar † | Bishop of Ceuta and Tanger, Spain |
| unknown | 60.0 | Dominik Andrijašević (Andriassus), O.F.M. Obs. † | Bishop of Mostar, Bosnia and Herzegovina |
| unknown | 66.0 | Nicola Benigno † | Bishop of Città Ducale, Italy |
| unknown | | Nicolas Braverio † | Bishop of Sarsina, Italy |
| unknown | 77.0 | Francesco Campanari † | Bishop of Alatri, Italy |
| unknown | 53.0 | Altobello Carissimi † | Bishop of Minervino Murge, Italy |
| unknown | 44.0 | Ludovico Gonzaga † | Bishop of Alba (Pompea), Italy |
| unknown | 108.0 | Juan López, O.P. † | Bishop Emeritus of Monopoli, Italy |
| unknown | 62.0 | Balthasar Miaskowski † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| unknown | | Fernando de Ocampo, O.F.M. † | Bishop of Santa Cruz de la Sierra, Bolivia |
| unknown | 62.0 | Gregorius Pedrocca, O.F.M. † | Bishop of Acqui, Italy |
| unknown | 63.0 | Girolamo Rusca, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| unknown | 68.0 | Jean de Salette † | Bishop Emeritus of Lescar, France |
| 1 Jan | 62.0 | Giovanni Battista Agucchia † | Titular Archbishop of Amasea |
| 24 Jan | 71.8 | Giovanni Battista Salvago † | Bishop of Luni e Sarzana, Italy |
| 17 Feb | 47.1 | Pedro Antón Serra † | Bishop of Lérida, Spain |
| 29 Feb | 65.1 | Pedro Carranza Salinas, O. Carm. † | Bishop of Buenos Aires, Argentina |
| 8 Mar | 68.1 | Francisco Olivares Maldonado, O.S.A. † | Auxiliary Bishop of Toledo, Spain |
| 7 Apr | | Jean Guérin † | Bishop of Grasse, France |
| 13 Apr | | Grzegorz Michałowicz † | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus |
| 29 Apr | 42.3 | Mikołaj Gabriel Fredro, O.F.M. † | Bishop of Bacău, Romania |
| 10 May | 77.3 | Diego (Didaco) Alvarez, O.P. † | Archbishop of Trani, Italy |
| 13 May | 79.3 | Giovanni de Fossé † | Bishop of Castres, France |
| 25 May | 53.9 | Juan Pereda Gudiel † | Bishop of Oviedo, Spain |
| Jul | 55.8 | Giovanni Battista Bonetti (Berosi) † | Bishop of Narni, Italy |
| Jul | 68.5 | Girolamo Giovannelli † | Bishop of Sora, Italy |
| 13 Jul | 63.5 | Ambrogio Gozzeo, O.P. † | Bishop of Stagno (Ston), Croatia |
| 19 Aug | 67.6 | Miguel Ayala † | Bishop of Calahorra y La Calzada, Spain |
| 1 Sep | | Melchor de Moscoso y Sandoval † | Bishop of Segovia, Spain |
| 5 Sep | 36.0 | Muzio Colonna † | Bishop of Marsi, Italy |
| 13 Sep | 45.9 | Leopold Ferdinand von Österreich † | Former Bishop-Elect of Passau, Germany |
| 23 Sep | 70.6 | Juan Torres de Osorio † | Bishop of Valladolid, Spain |
| Oct | 62.7 | Domingos de Assumpção, O.P. † | Bishop of São Tomé e Príncipe |
| Oct | | Martín García Ceniceros † | Bishop-Elect of Almería, Spain |
| 4 Oct | 35.9 | Agostino Priuli † | Bishop of Bergamo, Italy |
| 5 Oct | 61.3 | Bernardino de Sena (Senis; Senna), O.F.M. Obs. † | Bishop of Viseu, Portugal |
| 7 Oct | 62.7 | Juan Sentís † | Bishop of Barcelona, Spain |
| 21 Oct | 73.8 | Gregor Helfenstein † | Auxiliary Bishop of Trier, Germany |
| 21 Oct | | Cristóbal de Lobera y Torres † | Bishop of Plasencia, Spain |
| 30 Oct | 51.8 | Girolamo Vidoni † | Cardinal, Cardinal-Deacon of Santi Quattro Coronati |
| Nov | 56.9 | Pedro Puigmartí Funes, O.S.B. † | Bishop of Solsona, Spain |
| 9 Nov | 62.8 | Fulgenzio Gallucci, O.S.A. † | Bishop of Boiano, Italy |
| 18 Nov | 37.0 | Ludovico Ludovisi † | Cardinal, Archbishop of Bologna, Italy |
| 19 Nov | 54.1 | Juan Barahona Zapata del Águila † | Bishop of Nicaragua |
| 25 Nov | 82.9 | Filippo Archinto † | Bishop Emeritus of Como, Italy |
| 28 Dec | | João Pimenta de Abreu † | Bishop of Angra, Portugal |
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