| Date | Age | Bishop | Title |
| unknown | | Juan Albacete, S.J. † | Prefect of San Francisco Javier, Peru |
| unknown | | Martinho da Silva Carvalhosa, O.F.M. † | Prefect of Guinea Portoghese, Guinea-Bissau |
| unknown | | Ladislaus Lombos, O.F.M. † | Prefect of Baojing [Paoking, Shaoyang], China |
| unknown | 80.5 | Hippolito Martínez y Martínez, O.S.A. † | Prefect of Lixian [Lichow], China |
| unknown | | Dominic Ros Arraiza, I.E.M.E. † | Prefect of Wankie, Zimbabwe |
| unknown | | George Shanks, M.H.M. † | Prefect of Kashmir and Jammu, India |
| unknown | | Jean Van der Heyden, S.V.D. † | Prefect of Kenge, Congo (Dem. Rep.) |
| 6 Jan | 59.1 | Carlos Alberto Arce Masías † | Bishop of Piura, Peru |
| 7 Jan | 72.0 | Gilla Vincenzo Gremigni, M.S.C. † | Bishop of Novara, Italy |
| 15 Jan | 79.2 | Bernardino Salvatore Re, O.F.M. Cap. † | Bishop of Lipari, Italy |
| 22 Jan | 73.3 | William Godfrey † | Cardinal, Archbishop of Westminster, England, Great Britain |
| 1 Feb | 80.3 | John Francis D’Alton † | Cardinal, Archbishop of Armagh, Ireland |
| 6 Feb | 91.2 | Oronzo Caldarola † | Bishop Emeritus of Diano-Teggiano, Italy |
| 12 Feb | 79.8 | Raboula Youssef Bakhache † | Auxiliary Bishop Emeritus of Antiochia {Antioch} (Syrian), Lebanon |
| 13 Feb | 69.1 | Jaime Font y Andreu † | Bishop of San Sebastián, Spain |
| 18 Feb | 64.3 | Anunciado Serafini † | Bishop of Mercedes, Argentina |
| 19 Feb | 85.3 | Beniamino Nardone † | Secretary of the Congregation of Ceremonies |
| 20 Feb | 68.5 | Alfredo Bontempi † | Titular Bishop of Palmyra |
| 2 Mar | 84.0 | Egisto Domenico Melchiori † | Bishop of Tortona, Italy |
| 3 Mar | 74.4 | Alphonse Bossart, O.M.I. † | Vicar Apostolic Emeritus of Ipamu, Congo (Dem. Rep.) |
| 10 Mar | 71.6 | Domenico Bornigia † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 11 Mar | 55.6 | Lawrence Frederik Schott † | Auxiliary Bishop of Harrisburg, Pennsylvania, USA |
| 19 Mar | 89.2 | Adalbero (Michael) Fleischer, M.H.M. † | Vicar Apostolic Emeritus of Mariannhill, South Africa |
| 20 Mar | 83.2 | Manuel Arteaga y Betancourt † | Cardinal, Archbishop of San Cristobal de la Habana, Cuba |
| 25 Mar | 81.0 | Clément Joseph Mathieu † | Bishop of Aire et Dax, France |
| 31 Mar | 60.6 | Mario Ghiga † | Bishop of Ampurias e Tempio, Italy |
| 1 Apr | 50.0 | Vittorio Moietta † | Bishop of Nicastro, Italy |
| 1 Apr | 68.1 | Lorenzo Sahag Koguian † | Titular Bishop of Comana Armeniae |
| 11 Apr | 68.6 | Josef Freundorfer † | Bishop of Augsburg, Germany |
| 18 Apr | 78.4 | Raffaele De Giuli † | Bishop of Albenga, Italy |
| 24 Apr | 89.6 | Paul-Jules-Narcisse Rémond † | Bishop of Nice, France |
| 26 Apr | 58.5 | Johann Werner Lesinski, O.P. † | Bishop of Changting [Tingchow], China |
| 9 May | 78.5 | Alexandru Rusu † | Bishop of Maramureş (Romanian), Romania |
| 9 May | 84.5 | Jean-Marie Vittoz † | Auxiliary Bishop of Grenoble, France |
| 13 May | 78.0 | Luigi Hudal † | Titular Bishop of Aela |
| 14 May | 67.9 | Paul Tkotsch † | Auxiliary Bishop of Berlin, Germany |
| 19 May | 78.1 | Pio de Freitas Silveira, C.M. † | Bishop Emeritus of Joinville, Santa Catarina, Brazil |
| 21 May | 70.2 | Roberto José Tavella, S.D.B. † | Archbishop of Salta, Argentina |
| 24 May | 92.9 | Cornelio Sebastiano Cuccarollo, O.F.M. Cap. † | Archbishop Emeritus of Otranto, Italy |
| 29 May | 63.7 | José Maria Cavallero † | Bishop of Minas, Uruguay |
| 29 May | 65.8 | Inácio João Dal Monte, O.F.M. Cap. † | Bishop of Guaxupé, Minas Gerais, Brazil |
| 3 Jun | 81.5 | Bl. Angelo Giuseppe Roncalli † | Pope (Roma {Rome}, Italy) |
| 10 Jun | 61.6 | Félix Guiller † | Bishop Emeritus of Pamiers (-Couserans-Mirepoix), France |
| 14 Jun | 81.4 | Luciano Pérez Platero † | Archbishop of Burgos, Spain |
| 16 Jun | 49.4 | Cesar Gerardo Maria Vielmo Guerra, O.S.M. † | Vicar Apostolic of Aysén, Chile |
| 20 Jun | 93.3 | Jean-Justin-Michel Girbeau † | Bishop of Nimes (-Uzès e Alès), France |
| 20 Jun | 72.4 | John Francis Norton † | Bishop of Bathurst, Australia |
| 24 Jun | 57.6 | Juán Maria Riofrio, O.P. † | Bishop of Loja, Ecuador |
| 27 Jun | 74.4 | James Staunton † | Bishop of Ferns, Ireland |
| 1 Jul | 47.2 | Luiz Felipe de Nadal † | Bishop of Uruguaiana, Rio Grande do Sul, Brazil |
| 4 Jul | 86.1 | Leontios Kilzi, B.A. † | Bishop Emeritus of Baniyas (Melkite Greek), Lebanon |
| 5 Jul | 82.8 | Nicola Maria di Girolamo † | Bishop of Caiazzo, Italy |
| 6 Jul | 54.5 | Zdzisław Goliński † | Bishop of Częstochowa, Poland |
| 6 Jul | 63.1 | Anton Vovk † | Archbishop of Ljubljana, Slovenia |
| 15 Jul | 53.3 | Pier Giorgio Chiappero, O.F.M. † | Vicar Apostolic of Jerusalem {Gerusalemme} (Melkite Greek), Palestine |
| 16 Jul | 68.2 | Gerald Patrick Aloysius O’Hara † | Apostolic Delegate to Great Britain |
| 20 Jul | 76.9 | Ferdinando Baldelli † | President of the Roman Curia - Other |
| 20 Jul | 85.0 | Giovanni Battista Peruzzo, C.P. † | Bishop of Agrigento (Girgenti), Italy |
| 22 Jul | 68.6 | Donald Alphonsus Campbell † | Archbishop of Glasgow, Scotland, Great Britain |
| 22 Jul | 79.7 | Valerio Valeri † | Cardinal, Prefect of the Congregation of the Affairs of Religious |
| 23 Jul | 67.7 | Albert Soegijapranata, S.J. † | Archbishop of Semarang, Indonesia |
| 26 Jul | 72.0 | Edwin Vincent Byrne † | Archbishop of Santa Fe, New Mexico, USA |
| 31 Jul | 87.9 | José Cartaña Inglés † | Bishop of Gerona, Spain |
| 31 Jul | 85.3 | Leopoldo Eijo y Garay † | Bishop of Madrid, Spain |
| 3 Aug | 82.6 | Joseph Gotthardt, O.M.I. † | Vicar Apostolic Emeritus of Windhoek, Namibia |
| 5 Aug | 55.9 | Giuseppe Piazzi † | Bishop of Bergamo, Italy |
| 13 Aug | 67.6 | Jean Ghislain Delcuve, O.F.M. Cap. † | Vicar Apostolic Emeritus of Ubanghi Belga {Belgian Ubanghi}, Congo (Dem. Rep.) |
| 14 Aug | 77.9 | José María Preciado y Nieva, C.M.F. † | Vicar Apostolic Emeritus of Darién, Panama |
| 17 Aug | 88.9 | Domenico Comin, S.D.B. † | Vicar Apostolic of Méndez, Ecuador |
| 17 Aug | 65.4 | Joseph Maggi, P.I.M.E. † | Bishop of Hanzhong [Hanchung], China |
| 19 Aug | 82.3 | Antonio Benedetto Martins Júnior † | Archbishop of Braga, Portugal |
| 19 Aug | 72.7 | Alphonse Joseph Matthijsen (Matthysen), M. Afr. † | Bishop of Bunia, Congo (Dem. Rep.) |
| 20 Aug | 75.3 | Pierre-Auguste-Marie-Joseph Douillard † | Bishop Emeritus of Soissons (-Laon-Saint-Quentin), France |
| 26 Aug | 90.1 | Maurice-Bernard-Benoit-Joseph Despatures, M.E.P. † | Bishop Emeritus of Bangalore, India |
| 26 Aug | 68.4 | Czeslaw Kaczmarek † | Bishop of Kielce, Poland |
| 5 Sep | 78.1 | François Faroud, S.M.A. † | Prefect Emeritus of Parakou, Benin |
| 15 Sep | 85.6 | Joseph Diss, S.M.A. † | Prefect Emeritus of Korhogo, Côte d’Ivoire |
| 18 Sep | 82.9 | Zacarías de Vizcarra y Arana † | Titular Bishop of Eressus |
| 8 Oct | 76.3 | Gioacchino Di Leo † | Bishop of Mazara del Vallo, Italy |
| 8 Oct | 59.0 | Salvatore Siino † | Apostolic Nuncio to Philippines |
| 9 Oct | 58.1 | Leo Richard Smith † | Bishop of Ogdensburg, New York, USA |
| 13 Oct | 75.4 | Sebastiano Briacca † | Bishop of Mondovi, Italy |
| 15 Oct | 62.1 | Domenico Vendola † | Bishop Emeritus of Lucera, Italy |
| 19 Oct | 81.1 | Aurelio Macedonio Guerrero † | Archbishop Emeritus of Trujillo, Peru |
| 19 Oct | 76.1 | Ranulfo da Silva Farias † | Archbishop of Maceió, Alagoas, Brazil |
| 21 Oct | 77.1 | Herman Joseph Meysing, O.M.I. † | Archbishop Emeritus of Bloemfontein, South Africa |
| 30 Oct | 80.3 | Francisco Beckmann, C.M.F. † | Archbishop of Panamá |
| 2 Nov | 85.0 | Ferdinand de Piontek † | Apostolic Administrator of Görlitz, Germany |
| 6 Nov | 101.0 | Alfonso Carinci † | Secretary Emeritus of the Congregation of Rites |
| 6 Nov | 99.7 | Daniel Mannix † | Archbishop of Melbourne, Australia |
| 7 Nov | 82.7 | John Reesinck, M.H.M. † | Vicar Apostolic Emeritus of Tororo, Uganda |
| 7 Nov | 72.0 | Eduardo Tonna † | Bishop Emeritus of Izmir (Smirne), Turkey |
| 9 Nov | 77.9 | Antonio Farage † | Titular Archbishop of Damiata dei Greco-Melkiti |
| 13 Nov | 61.9 | Gabriel Sortais, O.C.S.O. † | Abbot General of Order of Cistercians of the Strict Observance |
| 2 Dec | 66.7 | Louis-Sylvain Robin † | Bishop Emeritus of Blois, France |
| 5 Dec | 64.0 | John Christopher Cody † | Bishop of London, Ontario, Canada |
| 10 Dec | 76.0 | Vincentas Borisevicius † | Bishop of Telšiai, Lithuania |
| 11 Dec | 75.0 | William MacNeely † | Bishop of Raphoe, Ireland |
| 28 Dec | 70.2 | Karel Justien Calewaert † | Bishop of Gent {Ghent, Gand}, Belgium |