Date | Event |
| 2026.01.01 | Diocese of Baturité was established (from Metropolitan Archdiocese of Fortaleza and became suffragan of Fortaleza) (Brazil)
Bishop Serafim Shyngo-Ya-Hombo, O.F.M. Cap., Bishop emeritus of Mbanza Congo (Angola), passed away at 80
Archbishop Luis Gonzaga Silva Pepeu, O.F.M. Cap., was appointed as Archbishop-Bishop of Baturité (Brazil)
Cardinal John Njue, Cardinal-Priest of Preziosissimo Sangue di Nostro Signore Gesù Cristo and Metropolitan Archbishop emeritus of Nairobi (Kenya), reached the age of 80 and became ineligible to vote in a future conclave (Kenya)
Bishop Salesius Mugambi resigned as Bishop of Meru (Kenya)
Bishop Jackson Murugara, I.M.C., succeeded as Bishop of Meru (Kenya)
|
| 2026.01.03 | Bishop Hernán Giraldo Jaramillo, Bishop emeritus of Buga (Colombia), passed away at 89
Bishop Álvaro Julio Beyra Luarca resigned as Bishop of Bayamo y Manzanillo (Cuba)
Fr. Osmany Massó Cuesta, Priest of Santiago (Cuba), was elected Bishop of Bayamo y Manzanillo (Cuba)
Prof. Ulisse Corea was appointed as Applied Judge of Tribunal of Vatican City State
|
| 2026.01.04 | Bishop Joseph Maluki Mwongela, Bishop of Kitui (Kenya), was appointed as Coadjutor Bishop of Machakos (Kenya)
|
| 2026.01.05 | Cardinal Mario Zenari, Cardinal-Deacon of S. Maria delle Grazie alle Fornaci fuori Porta Cavalleggeri and Apostolic Nuncio to Syria, reached the age of 80 and became ineligible to vote in a future conclave (Italy)
Bishop Paolo Gillet, Auxiliary Bishop emeritus of Albano (Italy), passed away at 96
|
| 2026.01.06 | Bishop Raffaele Nogaro, Bishop emeritus of Caserta (Italy), passed away at 92
|
| 2026.01.07 | Bishop Paul Bernard Bird, C.SS.R., resigned as Bishop of Ballarat (Australia)
Fr. Mark Freeman, Priest of Hobart (Australia), was elected Bishop of Ballarat (Australia)
Bishop Aparecido Donizete de Souza resigned as Auxiliary Bishop of Cascavel (Brazil)
Bishop Rumen Ivanov Stanev, Titular Bishop of Simidicca, Auxiliary Bishop of Sofia–Plovdiv (Bulgaria) and General Secretary of Episcopal Conference of Bulgaria, was appointed as Bishop of Sofia–Plovdiv (Bulgaria)
Archbishop Domenico Graziani, Archbishop emeritus of Crotone–Santa Severina (Italy), passed away at 81
Bishop John Samuel Bonnici, Titular Bishop of Arindela and Auxiliary Bishop of New York (USA), was appointed as Bishop of Rochester (USA)
Bishop Salvatore Ronald Matano resigned as Bishop of Rochester (USA)
|
| 2026.01.08 | Diocese of Bariadi was established (from Diocese of Shinyanga and became suffragan of Mwanza) (Tanzania)
Bishop Adolfo Eduardo José Bittschi Mayer resigned as Auxiliary Bishop of Sucre (Bolivia)
Bishop José Roberto Fortes Palau, Bishop of Limeira (Brazil), was promoted as Metropolitan Archbishop of Sorocaba (Brazil)
Bishop Marco Aurélio Gubiotti, Bishop of Itabira–Fabriciano (Brazil), was promoted as Metropolitan Archbishop of Juiz de Fora (Brazil)
Archbishop Gil Antônio Moreira resigned as Metropolitan Archbishop of Juiz de Fora (Brazil)
Bishop Prosper Balthazar Lyimo, Titular Bishop of Vanariona and Auxiliary Bishop of Arusha (Tanzania), was appointed as Bishop of Bariadi (Tanzania)
|
| 2026.01.09 | Fr. Domenico Basile, Priest of Andria (Italy), was elected Bishop of Molfetta–Ruvo–Giovinazzo–Terlizzi (Italy)
Bishop Domenico Cornacchia resigned as Bishop of Molfetta–Ruvo–Giovinazzo–Terlizzi (Italy)
Bishop Vincenzo Zarri, Bishop emeritus of Forlì–Bertinoro (Italy), passed away at 96
Cardinal Stephen Brislin resigned as Apostolic Administrator of Cape Town (South Africa)
Bishop Sithembele Anton Sipuka, Bishop of Mthatha (South Africa), was promoted as Metropolitan Archbishop of Cape Town (South Africa)
|
| 2026.01.10 | Archbishop Felice Accrocca, Metropolitan Archbishop of Benevento (Italy), was appointed as Archbishop-Bishop of Assisi–Nocera Umbra–Gualdo Tadino (Italy) and Archbishop-Bishop of Foligno (Italy)
Archbishop Domenico Sorrentino resigned as Archbishop-Bishop of Assisi–Nocera Umbra–Gualdo Tadino (Italy) and Bishop of Foligno (Italy)
Fr. Joseph Francis Badji, Priest of Ziguinchor (Senegal), was elected Coadjutor Bishop of Kolda (Senegal)
|
| 2026.01.14 | Archbishop Mirosław Adamczyk, Apostolic Nuncio to Argentina, was appointed as Apostolic Nuncio to Albania
|