| Date | Age | Bishop | Title |
| unknown | 86.1 | Emmanuele Francesco Barrutia y Croquer † | Auxiliary Bishop of Guatemala |
| 3 Jan | 63.0 | Djordje Marčić † | Bishop of Kotor (Cattaro), Montenegro |
| 5 Jan | 48.0 | James McDevitt † | Bishop of Raphoe, Ireland |
| 14 Jan | 76.2 | Charles-Marie Magnin † | Bishop of Annecy, France |
| 25 Jan | 58.0 | Manuel Ulloa y Calvo † | Bishop of Nicaragua |
| 29 Jan | 80.4 | Antonio Benedetto Antonucci † | Cardinal, Bishop of Ancona e Numana, Italy |
| 13 Feb | 63.2 | Salvatore Silvestris, C.SS.R. † | Bishop of Conversano, Italy |
| 19 Feb | 57.0 | Thomas Patrick Roger Foley † | Coadjutor Bishop of Chicago, Illinois, USA |
| 27 Feb | 63.6 | Filippo Maria Guidi, O.P. † | Cardinal, Archbishop Emeritus of Bologna, Italy |
| 10 Mar | 65.3 | Carlos María Colina y Rubio † | Bishop of Tlaxcala, México |
| 11 Mar | 77.2 | Pedro José Chávez Ponce † | Bishop of Puno, Peru |
| 19 Mar | 58.4 | Anastasio Laterza, O.C.D. † | Bishop of Boiano, Italy |
| 21 Mar | 65.4 | Giovanni Bapt. Cerruti † | Bishop of Savona e Noli, Italy |
| 26 Mar | 62.8 | Paolo di Niquesa † | Bishop of Aquino, Sora, e Pontecorvo, Italy |
| 27 Mar | 67.1 | Hilarion Silani, O.S.B. † | Vicar Apostolic of Colombo, Sri Lanka |
| 31 Mar | 72.0 | Benedetto Riccabona de Reinchenfels † | Bishop of Trento, Italy |
| 6 Apr | 69.4 | Vinzenz Gasser † | Bishop of Brixen {Bressanone}, Italy |
| 8 Apr | 80.1 | Casimir-Alexis-Joseph Wicart † | Bishop Emeritus of Laval, France |
| 17 Apr | 56.2 | Kaspar (Balthasar) Willi, O.S.B. † | Bishop of Chur, Switzerland |
| 26 Apr | 73.4 | Carlo Luigi Morichini † | Cardinal, Prefect of the Apostolic Signatura |
| 2 May | 80.4 | Jean-Baptiste-Pierre-Léonard Berteaud † | Bishop Emeritus of Tulle, France |
| 6 May | 69.5 | Alessandro Valsecchi † | Coadjutor Bishop of Bergamo, Italy |
| 8 May | 49.9 | Germán de Ascensión Villalvazo y Rodríguez † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 13 May | 74.4 | Patrick Fallon † | Bishop of Kilmacduagh, Ireland |
| 30 May | 67.4 | Raffaele Pucci-Sisti † | Bishop of Montalcino, Italy |
| 4 Jun | 77.5 | Pietro Luigi Speranza † | Bishop of Bergamo, Italy |
| 9 Jun | 58.8 | Louis-Désiré-César Bataille † | Bishop of Amiens, France |
| 10 Jun | 58.3 | Giovanni Felix Jacovacci † | Titular Bishop of Erythrum |
| 17 Jun | 73.9 | Domenico Carafa della Spina di Traetto † | Cardinal, Archbishop of Benevento, Italy |
| 16 Jul | 67.2 | Konrad Martin † | Bishop of Paderborn, Germany |
| 27 Jul | 71.6 | Angel Kraljević, O.F.M. † | Vicar Apostolic of Herzegovina |
| 30 Jul | 40.4 | Martin-Jean Pontvianne, M.E.P. † | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viet Nam |
| 31 Jul | 61.2 | Francisco Gainza Escobás, O.P. † | Bishop of Nueva Caceres, Philippines |
| 1 Aug | 47.5 | John O’Brien † | Bishop of Kingston, Ontario, Canada |
| 12 Aug | 74.5 | Valentino Baranowski † | Bishop of Lublin, Poland |
| 17 Aug | 72.8 | Pietro Maria Vranken † | Vicar Apostolic Emeritus of Batavia, Indonesia |
| 18 Aug | 55.2 | Antonio Morana † | Bishop of Caltagirone, Italy |
| 24 Aug | 72.3 | Théodore Alexis Joseph de Montpellier † | Bishop of Ličge, Belgium |
| 26 Aug | 76.1 | José Caixal y Estradé † | Bishop of Urgell, Spain |
| 29 Aug | 80.8 | Niccola Crispigni (Grispigni) † | Bishop of Foligno, Italy |
| 3 Sep | 70.2 | Stephanus Junák † | Auxiliary Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 11 Sep | 62.7 | Pietro Giovine † | Archbishop of Acerenza e Matera, Italy |
| 17 Sep | 52.8 | Charles-Amable de la Tour d’Auvergne Lauraguais † | Archbishop of Bourges, France |
| 26 Sep | 68.2 | Colin Francis MacKinnon † | Bishop Emeritus of Arichat, Nova Scotia, Canada |
| 28 Sep | 62.1 | Filippo Manetti † | Titular Archbishop of Sardes |
| 5 Oct | 63.6 | Eugenio Roberto Galletti † | Bishop of Alba (Pompea), Italy |
| 24 Oct | 77.0 | Antonio Izzo † | Bishop of Isernia e Venafro, Italy |
| 29 Oct | 71.3 | Domonkos Zichy-Vásonkeö † | Bishop Emeritus of Veszprém, Hungary |
| 6 Nov | 65.7 | Joaquim Gonçalves de Azevedo † | Archbishop of Săo Salvador da Bahia, Brazil |
| 24 Nov | 74.4 | Federico Maria Zinelli † | Bishop of Treviso, Italy |
| 5 Dec | 70.0 | Michał (Mykhaylo) Kuzemśki (Kuzemskyi) † | Bishop of Chełm and Bełz (Ruthenian), Poland |
| 8 Dec | 57.8 | Luigi Barbato Pasca di Magliano † | Bishop of Alife, Italy |
| 24 Dec | 85.1 | Louis-Charles Féron † | Bishop of Clermont, France |
| 29 Dec | 68.8 | Félix María Arrieta y Llano, O.F.M. Cap. † | Bishop Emeritus of Cádiz y Ceuta, Spain |
| 31 Dec | 70.2 | Gesualdo Vitali † | Bishop of Ferentino, Italy |