| Date | Age | Bishop | Title |
| unknown | 78.7 | Matteo Aceto † | Bishop of Nusco, Italy |
| unknown | 72.1 | Giuseppe Carrano † | Titular Archbishop of Traianopolis in Rhodope |
| unknown | 74.5 | Andrzej Chołoniewski † | Auxiliary Bishop of Vilnius, Lithuania |
| unknown | 69.8 | Josephus Corari † | Auxiliary Bishop of Sabina, Italy |
| unknown | | Ignace El-Khazen † | Bishop |
| unknown | 63.1 | Paolo Filipponi † | Titular Archbishop of Patrae (Veters) |
| unknown | 84.5 | Antonio Cayetano Maciel Calheiros † | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| unknown | 60.0 | Manuel Julián Rodríguez del Barranco † | Bishop of Comayagua, Honduras |
| 9 Jan | 89.1 | Francesco Polesini † | Bishop of Poreč (Parenzo), Croatia |
| 17 Jan | 71.8 | Lodovico Ludovici (Ludovico), O.F.M. † | Bishop of Policastro, Italy |
| 20 Jan | 57.6 | Maria-Thaddeus von Trauttmansdorf Wiensberg † | Cardinal, Archbishop of Olomouc, Czech Republic |
| 25 Jan | 81.9 | Fabien-Sébastien Imberties † | Bishop of Autun, France |
| 25 Jan | 84.2 | Nicolò Rossetti † | Bishop of Boiano, Italy |
| 3 Feb | 80.4 | Francisco Monteiro Pereira de Azevedo † | Bishop of Viseu, Portugal |
| 9 Feb | 90.9 | José Maria Pérez Armendáriz † | Bishop of Cuzco, Peru |
| 22 Feb | | Michael Corcoran † | Bishop of Kildare and Leighlin, Ireland |
| 9 Mar | | Patrick Ryan † | Bishop of Ferns, Ireland |
| 15 Mar | 57.4 | Karol Perényl † | Auxiliary Bishop of Esztergom, Hungary |
| 17 Mar | 77.3 | Nicolás Videla del Pino † | Bishop of Salta, Argentina |
| 29 Mar | | Adrian Butrymowicz, O.S.B.M. † | Auxiliary Bishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 5 Apr | 72.1 | Maciej Paweł Możdżeniewski † | Auxiliary Bishop of Mohilev, Belarus |
| 16 Apr | 65.4 | Fridericus Maria Molin † | Bishop of Adria, Italy |
| 18 Apr | 82.8 | Paolo Ciotti † | Bishop of Segni, Italy |
| 18 Apr | 64.5 | Franciszek Skarbek von Malczewski † | Archbishop of Warszawa {Warsaw}, Poland |
| 19 Apr | 86.0 | Spiridione Berioli † | Archbishop of Urbino, Italy |
| 28 Apr | 79.2 | Jean-Baptiste de Chabot † | Bishop Emeritus of Mende, France |
| 1 May | 58.8 | Rafael Andreu Guerrero † | Auxiliary Bishop of La Plata o Charcas, Bolivia |
| 13 May | 78.4 | Giulio Cesare Pallavicini † | Bishop of Luni e Sarzana, Italy |
| 19 May | 83.4 | Giampaolo Dolfin, C.R.L. † | Bishop of Bergamo, Italy |
| 30 May | 83.1 | Nikolaj Ferrich † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| 13 Jun | 60.6 | António Luís da Veiga Cabral e Câmara † | Bishop of Bragança e Miranda, Portugal |
| 20 Jun | 75.6 | Rafael Tomás Menéndez Luarca y Queipo de Llano † | Bishop of Santander, Spain |
| Jul | 66.3 | Domenico Antonio Cimaglia † | Bishop of Molfetta, Italy |
| 18 Jul | 71.4 | Antonio Bergosa y Jordán † | Archbishop of Tarragona, Spain |
| 19 Jul | 51.9 | Antônio de São José Bastos, O.S.B. † | Bishop of Olinda, Brazil |
| 21 Jul | 75.7 | Giovanni Battista Zauli † | Cardinal, Cardinal-Priest of Sant’Onofrio |
| 17 Aug | 68.5 | François Joseph Hirn † | Bishop of Tournai {Doornik}, Belgium |
| 6 Sep | 68.4 | Marcos Cabello y López, O.S.A. † | Bishop of Guadix, Spain |
| 12 Sep | 71.4 | Alessandro Malvasia † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 18 Sep | 75.5 | Francesco Milesi † | Patriarch of Venezia {Venice}, Italy |
| 19 Sep | 68.5 | Francesco Ridolfi † | Titular Bishop of Carystus |
| 28 Sep | 81.7 | Andrej (André) Szabó † | Bishop of Košice, Slovakia |
| 30 Sep | 67.5 | Bartolomeo Cesare † | Bishop of Potenza e Marsico Nuovo, Italy |
| 6 Oct | 63.7 | Francesco Scipio Dondi Orologio † | Bishop of Padova {Padua}, Italy |
| 6 Oct | 72.6 | Giovanni Filippo Gallarati Scotti † | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 9 Oct | 73.9 | Franz Karl Joseph von Hohenlohe-Waldenburg-Schillingsfürst † | Bishop of Augsburg, Germany |
| 17 Oct | 78.0 | Joaquín González de Terán, O.P. † | Bishop Emeritus of Albarracin, Spain |
| 22 Oct | 66.1 | Nikodem Puzyna † | Auxiliary Bishop of Vilnius, Lithuania |
| 26 Oct | 79.3 | Pedro José Chávez de la Rosa † | Bishop Emeritus of Arequipa, Peru |
| 28 Oct | 72.4 | Jean-Francis de Mallian † | Bishop-Elect of Saint-Flour, France |
| 29 Oct | | Edmond Derry † | Bishop of Dromore, Ireland |
| 23 Nov | 85.0 | Johann Michael Josef von Pidoll de Quitenbach † | Bishop of Le Mans, France |
| 24 Nov | 49.5 | Francesco Alberini † | Bishop of Terracina, Priverno e Sezze, Italy |
| 3 Dec | 79.0 | Carlo Rovelli, O.P. † | Bishop Emeritus of Como, Italy |
| 15 Dec | 52.7 | Salvator Ferro de Berardis † | Bishop of Catania, Italy |
| 16 Dec | 70.8 | Romualdo Antonio Mon y Velarde † | Archbishop of Sevilla {Seville}, Spain |