| Date | Age | Bishop | Title |
| unknown | | Francesco Sanz Pascual, C.M.F. † | Prefect of Chocó, Colombia |
| 1 Jan | 50.3 | Giuseppe Di Donna, O.SS.T. † | Bishop of Andria, Italy |
| 5 Jan | 69.3 | Joseph Henri Jean Marie Prud’homme † | Bishop Emeritus of Prince-Albert, Saskatchewan, Canada |
| 6 Jan | 86.7 | José Antonio Lezcano y Ortega † | Archbishop of Managua, Nicaragua |
| 8 Jan | 81.7 | Arturo Celestino Álvarez † | Bishop of Calabozo, Venezuela |
| 9 Jan | 82.1 | Andrea Cassulo † | Apostolic Delegate to Turkey |
| 15 Jan | 62.6 | Francisco Blanco Nájera † | Bishop of Orense, Spain |
| 18 Jan | 80.5 | Ange-Marie (Paul) Hiral, O.F.M. † | Vicar Apostolic of Port-Said, Egypt |
| 26 Jan | 70.7 | Alexandre-François-Marie Carlo, M.E.P. † | Bishop of Anlong [Lanlung], China |
| 30 Jan | 83.4 | Luigi Ferri † | Bishop Emeritus of Montalto (delle Marche), Italy |
| 1 Feb | 91.9 | José Alves Matoso † | Bishop of Guarda, Portugal |
| 1 Feb | 66.6 | Felice Cribellati, F.D.P. † | Bishop of Nicotera e Tropea, Italy |
| 2 Feb | 75.0 | William Henry Mellon † | Bishop of Galloway, Scotland, Great Britain |
| 12 Feb | 51.6 | Ambrose Kelly, C.S.Sp. † | Archbishop of Freetown and Bo, Sierra Leone |
| 18 Feb | 79.9 | Antoine-Pierre-Jean Fourquet, M.E.P. † | Archbishop Emeritus of Guangzhou [Canton], China |
| 19 Feb | 61.4 | Francesco Giberti † | Bishop of Fidenza, Italy |
| 21 Feb | 60.1 | Francis Xavier Ford, M.M. † | Bishop of Meixian [Kaying], China |
| 21 Feb | 74.9 | Agostinho de Jesus e Souza † | Bishop of Porto, Portugal |
| 29 Feb | 86.5 | Agustín Barrere, F.M.I. † | Bishop of Tucumán, Argentina |
| 29 Feb | 72.6 | Roger-Henri-Marie Beaussart † | Auxiliary Bishop of Paris, France |
| 8 Mar | 74.0 | Cyril Rudolph Jarre, O.F.M. † | Archbishop of Jinan [Tsinan], China |
| 13 Mar | 85.1 | Jenaro Méndez y del Río † | Bishop of Huajuapan de León, Oaxaca, México |
| 13 Mar | 79.5 | Giovanni Battista Nasalli Rocca di Corneliano † | Cardinal, Archbishop of Bologna, Italy |
| 16 Mar | 71.9 | Wilhelm Burger † | Auxiliary Bishop of Freiburg im Breisgau, Germany |
| 19 Mar | 71.0 | Viktor Bieler † | Bishop of Sion {Sitten}, Switzerland |
| 20 Mar | 80.2 | Albino Morera † | Bishop Emeritus of Ampurias e Tempio, Italy |
| 29 Mar | 84.2 | François Steinmetz, S.M.A. † | Vicar Apostolic Emeritus of Dahomey, Benin |
| 3 Apr | 82.5 | Carmelo Patané † | Archbishop of Catania, Italy |
| 6 Apr | 73.2 | Oscar Morin, M. Afr. † | Vicar Apostolic Emeritus of Navrongo, Ghana |
| 8 Apr | 80.4 | Franz Kamprath † | Auxiliary Bishop of Wien {Vienna}, Austria |
| 12 Apr | 84.0 | Auguste-Joseph-Marie Cogneau † | Auxiliary Bishop Emeritus of Quimper [Cornouailles](-Léon), France |
| 12 Apr | 65.6 | Alfred-Arthur Le Pailleur, C.S.C. † | Bishop Emeritus of Chittagong, Bangladesh |
| 14 Apr | 70.4 | Giacomo Luigi (James Louis) Cheng † | Vicar Apostolic of Chantaburi, Thailand |
| 21 Apr | 67.0 | Antonio Picconi † | Bishop of Vigevano, Italy |
| 28 Apr | 72.5 | Clemente Fernández, O.P. † | Prefect Emeritus of Formosa Island {Isola Formosa), Taiwan |
| 8 May | 59.1 | Michel Thomas Verhoeks, C.M. † | Vicar Apostolic of Surabaia, Indonesia |
| 10 May | 68.6 | Henricus Lamiroy † | Bishop of Brugge {Bruges}, Belgium |
| 11 May | 79.5 | Alessio Ascalesi, C.Pp.S. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 11 May | 69.6 | Basilio Cattan, B.C. † | Archbishop Emeritus of Beirut and Jbeil {Bairut e Gibail} (Melkite Greek), Lebanon |
| 22 May | 80.8 | Wenceslas Joseph Kinold, O.F.M. † | Vicar Apostolic Emeritus of Sapporo, Japan |
| 22 May | 81.4 | Benjamin-Octave Roland-Gosselin † | Bishop Emeritus of Versailles, France |
| 28 May | 70.1 | Philippe Sérvule Desranleau † | Archbishop of Sherbrooke, Québec, Canada |
| 3 Jun | 72.4 | Constant Jurgens, C.I.C.M. † | Bishop Emeritus of Tuguegarao, Philippines |
| 6 Jun | 78.5 | Thomas Joseph Walsh † | Archbishop of Newark, New Jersey, USA |
| 7 Jun | 88.8 | Henri Streicher, M. Afr. † | Vicar Apostolic Emeritus of Uganda |
| 8 Jun | 53.3 | Víctor Manuel Sanabria y Martínez † | Archbishop of San José de Costa Rica |
| 11 Jun | 83.5 | Pietro Calchi Novati † | Bishop of Lodi, Italy |
| 12 Jun | 79.2 | Oleksiy Bazyuk † | Apostolic Administrator Emeritus of Bosnia-Hercegovina (Ukrainian) |
| 12 Jun | 83.2 | Michael von Faulhaber † | Cardinal, Archbishop of München und Freising {Munich}, Germany |
| 23 Jun | 69.9 | Joannes Walter Panis, M.S.C. † | Vicar Apostolic Emeritus of Manado, Indonesia |
| 25 Jun | 69.5 | Alessandro Guidati † | Archbishop Emeritus of Naxos, Andros, Tinos e Mykonos, Greece |
| 29 Jun | 72.4 | Wesceslau Nazareno Ponti, O.F.M. Cap. † | Bishop-Elect of Alto Solimões, Amazonas, Brazil |
| 3 Jul | 65.3 | Gabriel-Emmanuel-Joseph Piguet † | Bishop of Clermont, France |
| 6 Jul | 84.3 | Serge Der Abrahamian † | Auxiliary Bishop of Roma {Rome}, Italy |
| 9 Jul | 61.2 | Thomas Francis Markham † | Auxiliary Bishop of Boston, Massachusetts, USA |
| 10 Jul | 70.3 | Giuseppe Ramiro Marcone, O.S.B. † | Abbot of Montevergine, Italy |
| 11 Jul | 77.2 | Bl. Valeriu Traian Frentiu † | Bishop of Oradea Mare {Gran Varadino} (Romanian), Romania |
| 15 Jul | 85.4 | Víctor Manuel Montero Carvallo, SS.CC. † | Vicar Apostolic Emeritus of Tarapacá, Chile |
| 26 Jul | 65.4 | Henricus Leo Smeets, S.C.I. † | Prefect Emeritus of Benkoelen, Indonesia |
| 29 Jul | 74.0 | Guillermo Tritschler y Córdoba † | Archbishop of Monterrey, Nuevo León, México |
| 6 Aug | 73.3 | Umberto Rossi † | Bishop of Asti, Italy |
| 24 Aug | 94.1 | Daniel Cohalan † | Bishop of Cork, Ireland |
| 26 Aug | 85.4 | Giovanni Cazzani † | Bishop of Cremona, Italy |
| 5 Sep | 70.3 | Johann Baptist Geisler † | Bishop Emeritus of Brixen {Bressanone}, Italy |
| 27 Sep | 75.2 | Frédéric-Joseph-Marie Provost, M.E.P. † | Vicar Apostolic of Southern Burma {Birmania Meridionale}, Myanmar |
| 27 Sep | 79.9 | Ernst Karl Jakob Seydl † | Titular Bishop of Eucarpia |
| 1 Oct | 72.4 | Candido Domenico Moro, O.F.M. † | Vicar Apostolic Emeritus of Benghazi, Libya |
| 4 Oct | 76.5 | Michael O’Brien † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 10 Oct | 60.5 | Gabriel Martelino Reyes † | Archbishop of Manila, Philippines |
| 15 Oct | 93.4 | Stefano Corbini † | Bishop Emeritus of Foligno, Italy |
| 21 Oct | 68.4 | Auguste-Ernest-Désiré-Marie Gaspais, M.E.P. † | Bishop of Jilin [Kirin], China |
| 11 Nov | 51.9 | Bl. Vincent Eugène Bossilkov (Bossilkoff), C.P. † | Bishop of Nicopoli, Bulgaria |
| 15 Nov | 63.3 | Gennaro Fenizia † | Bishop of Cava e Sarno, Italy |
| 16 Nov | 71.8 | James Augustine McFadden † | Bishop of Youngstown, Ohio, USA |
| 18 Nov | 81.4 | John Thomas McNally † | Archbishop of Halifax, Nova Scotia, Canada |
| 21 Nov | 77.2 | Pierre-Marie-David Le Cadre, SS.CC. † | Vicar Apostolic of Marquesas Islands {Isole Marchesi}, French Polynesia, Pacific (Oceania) |
| 24 Nov | 65.0 | Hildon-Georges-Marie Six, C.I.C.M. † | Vicar Apostolic of Léopoldville, Congo (Dem. Rep.) |
| 27 Nov | 82.7 | René-Marie-Joseph Perros, M.E.P. † | Vicar Apostolic Emeritus of Bangkok, Thailand |
| 1 Dec | 72.3 | Joseph Louis Adhémar Lapierre, P.M.E. † | Bishop of Siping [Szepingkai], China |
| 2 Dec | 90.6 | Jean-Arthur Chollet † | Archbishop of Cambrai, France |
| 6 Dec | 65.1 | Bl. János Scheffler † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad} and Satu Mare {Szatmár}, Romania |
| 15 Dec | 84.1 | Emmanuel Boleslaus Ledvina † | Bishop Emeritus of Corpus Christi, Texas, USA |
| 20 Dec | 77.6 | Joseph Gjonali (Gionali) † | Bishop Emeritus of Sapë, Albania |
| 28 Dec | 64.6 | Carlo Agostini † | Patriarch of Venezia {Venice}, Italy |