| Newly Elected Bishops (56) | Elected | Consecrated |
 Cardinal Gaetano Cicognaniformer Cardinal-Bishop of Frascati former Pro-Prefect of Supreme Tribunal of the Apostolic Signatura | 1925.01.11 | 1925.02.01 |
 Bishop John Thomas Kiddformer Bishop of London (Canada) | 1925.02.06 | 1925.05.06 |
 Bishop Ernest Hauger, S.M.A.former Vicar Apostolic of Gold Coast (Ghana) | 1925.02.13 | 1925.05.24 |
| Bishop Alphonse-Emmanuel Deschamps former Auxiliary Bishop of Montréal (Canada) | 1925.02.20 | 1925.04.21 |
| Saint Pope John XXIII former Supreme Pontiff former Prefect of Sacred Consistorial Congregation former Prefect of Sacred Congregation for the Oriental Churches former Prefect of Supreme Sacred Congregation of the Holy Office | 1925.03.03 | 1925.03.19 |
| Bishop Ettore Lodi former Auxiliary Bishop of Bologna (Italy) | 1925.03.06 | 1925.03.25 |
 Cardinal Jozef-Ernest van Roeyformer Cardinal-Priest of S. Maria in Ara Coeli former Metropolitan Archbishop of Mechelen (Belgium) former Military Vicar of Belgium (Belgium) | 1925.03.12 | 1926.04.25 |
 Archbishop Celestino Annibale Cattaneo, O.F.M. Cap.former Vicar Apostolic of Eritrea (Eritrea) | 1925.03.24 | 1925.04.19 |
| Cardinal Paolo Giobbe former Cardinal-Priest of S. Maria in Vallicella former Patron of Sovereign Military Hospitaller Order of Saint John of Jerusalem of Rhodes and of Malta (Knights of Malta) | 1925.03.30 | 1925.04.26 |
 Bishop Józef Čárskyformer Bishop of Rožňava (Slovakia) former Apostolic Administrator of Košice na Slovensku (Slovakia) former Auxiliary Bishop of Košice (Slovakia) | 1925.03.30 | 1925.06.14 |
| Bishop Pavol Jantausch former Apostolic Administrator of Trnava (Slovakia) | 1925.03.30 | 1925.06.14 |
 Bishop Jean-Baptiste Thomasformer Bishop of Langres (France) | 1925.03.30 | 1925.06.24 |
 Bishop William Joseph Hafeyformer Bishop of Scranton (USA) | 1925.04.06 | 1925.06.24 |
 Bishop Isidoro Sain, O.S.B.former Bishop of Rijeka–Opatija (Croatia) | 1925.04.25 | 1926.08.08 |
| Bishop Pierre Patau former Auxiliary Bishop of Perpignan–Elne (France) | 1925.05.01 | 1925.07.02 |
 Bishop Henrique César Fernandes Mourão, S.D.B.former Bishop of Cafelândia (Brazil) | 1925.05.01 | 1925.10.18 |
| Bishop Basilio Manuel Olimpo Pereira, O.F.M. former Bishop of Amazonas (Brazil) | 1925.05.01 | 1925.10.25 |
| Bishop André Arcoverde de Albuquerque Cavalcanti former Bishop of Taubaté (Brazil) | 1925.05.01 | 1925.10.28 |
 Bishop Mihai Robuformer Bishop of Iaşi (Romania) | 1925.05.07 | 1925.09.20 |
 Bishop François Chaize, M.E.P.former Vicar Apostolic of Hà Nôi (Vietnam) | 1925.05.12 | 1925.11.22 |
 Bishop John William Campling, M.H.M.former Vicar Apostolic of Upper Nile (Uganda) | 1925.05.13 | 1925.08.24 |
 Bishop David O’Leary, O.M.I.former Vicar Apostolic of Johannesburg (South Africa) | 1925.05.13 | 1925.09.08 |
| Bishop François-Marie Picaud former Bishop of Bayeux (France) | 1925.05.15 | 1925.07.01 |
| Bishop Georges-Marie-Eugène Audollent former Bishop of Blois (France) | 1925.05.15 | 1925.07.16 |
| Bishop Charles Challiol former Bishop of Rodez (France) | 1925.05.15 | 1925.08.10 |
| Bishop Norbert-Georges-Pierre Rousseau former Bishop of Le Puy-en-Velay (France) | 1925.05.15 | 1925.09.08 |
 Cardinal Agustín Parrado Garcíaformer Cardinal-Priest of S. Agostino former Metropolitan Archbishop of Granada (Spain) | 1925.05.20 | 1925.08.16 |
 Bishop Władysław Szcześniakformer Auxiliary Bishop of Warszawa (Poland) | 1925.05.25 | 1925.07.19 |
| Archbishop Constantino Aiutti former Titular Archbishop of Phasis former Apostolic Delegate to Indochina | 1925.05.28 | 1925.06.29 |
 Bishop Francesco Sales Reyes y Alicanteformer Bishop of Nueva Caceres (Philippines) | 1925.06.20 | 1925.09.19 |
| Archbishop Edwin Vincent Byrne former Metropolitan Archbishop of Santa Fe (USA) | 1925.06.23 | 1925.11.30 |
 Bishop Joseph Ambühlformer Bishop of Basel (Switzerland) | 1925.06.30 | 1925.09.27 |
 Bishop Francisco Miguel Irazola y Galarza, O.F.M.former Vicar Apostolic of Ucayali (Peru) | 1925.07.14 | 1926.02.07 |
 Archbishop Jacques Leen, C.S.Sp.former Bishop of Port-Louis (Mauritius) former Archbishop ad personam | 1925.07.15 | 1925.09.13 |
| Bishop Bernard Cornelius O’Riley former Vicar Apostolic of Cape of Good Hope, Western District (South Africa) | 1925.07.15 | 1926.01.06 |
| Archbishop Edmond John Fitzmaurice former Bishop of Wilmington (USA) | 1925.07.24 | 1925.11.30 |
| Bishop Giovanni Giuseppe Santini, O.F.M. Cap. former Prefect Apostolic of Rhaetia (Switzerland) | 1925.07.30 | 1925.11.01 |
 Bishop Miguel León Pradoformer Bishop of Linares (Chile) | 1925.10.18 | 1925.12.27 |
| Venerable Cardinal August Hlond, S.D.B. former Cardinal-Priest of S. Maria della Pace former Metropolitan Archbishop of Warszawa (Poland) former Metropolitan Archbishop of Gniezno (Poland) | 1925.10.28 | 1926.01.03 |
| Cardinal Jules-Géraud Saliège former Cardinal-Priest of S. Pudenziana former Metropolitan Archbishop of Toulouse (France) | 1925.10.29 | 1926.01.06 |
| Archbishop Emmanuel Coste former Metropolitan Archbishop of Aix (France) | 1925.10.29 | 1926.01.12 |
| Bishop Michal Bubnič former Bishop of Rožňava (Slovakia) | 1925.10.31 | 1925.12.08 |
 Bishop Thomas Henshawformer Bishop of Salford (England) | 1925.12.14 | 1925.12.21 |
| Bishop Melquisedec del Canto Terán former Bishop of San Felipe (Chile) | 1925.12.14 | 1925.12.27 |
| Bishop Rafael Lira Infante former Bishop of Valparaíso (Chile) | 1925.12.14 | 1926.01.03 |
| Archbishop Giacomo Montanelli former Metropolitan Archbishop of Vercelli (Italy) | 1925.12.14 | 1926.01.17 |
| Bishop Teodoro Kubina former Bishop of Częstochowa (Poland) | 1925.12.14 | 1926.02.02 |
| Bishop Alexandre-Philibert Poirier former Bishop of Tarbes et Lourdes (France) | 1925.12.14 | 1926.02.11 |
| Bishop José Vila y Martínez former Bishop of Gerona (Spain) | 1925.12.14 | 1926.02.24 |
| Blessed Bishop Manuel Medina y Olmos former Bishop of Guadix (Spain) | 1925.12.14 | 1926.05.23 |
| Bishop Guilherme Müller former Bishop of Barra do Piraí (Brazil) | 1925.12.14 | 1926.08.22 |
| Bishop Thomas Anthony Welch former Bishop of Duluth (USA) | 1925.12.17 | 1926.02.03 |
| Bishop Isidore-Marie-Joseph Dumortier, M.E.P. former Vicar Apostolic of Saigon (Vietnam) | 1925.12.17 | 1926.03.25 |
| Bishop Maurice Francis McAuliffe former Bishop of Hartford (USA) | 1925.12.17 | 1926.04.28 |
 Bishop Louis-Michel-François Tardy, C.S.Sp.former Vicar Apostolic of Gabon (Gabon) | 1925.12.18 | 1926.01.25 |
 Bishop Giuseppe Perrachon, I.M.C.former Vicar Apostolic of Nyeri (Kenya) | 1925.12.18 | 1926.04.11 |
