| Date | Age | Event | Bishop | Title | Current Title |
| 1 Mar | 55.8 | Appointed | John Carvalho | Bishop of Ajmer, India |
| 54.7 | Ordained Bishop | Justin Georges Ebengue | Bishop of Yokadouma, Cameroon |
| 54.9 | Ordained Bishop | Bernardino Giordano | Bishop of Grosseto, Italy |
| 58.0 | Ordained Bishop | Franck Henri Javary | Bishop of Châlons, France |
| 67.9 | Ceased | Florentino Galang Lavarias | Apostolic Administrator of Balanga, Philippines | Archbishop of San Fernando, Philippines |
| 61.5 | Ceased | Paul Lontsié-Keuné | Apostolic Administrator of Yokadouma, Cameroon | Bishop of Bafoussam, Cameroon |
| 52.5 | Appointed | Emilio Nappa | Secretary General of the Governatorate of Vatican City State |
| 56.1 | Appointed | Raffaella Petrini, F.S.E. | President of the Governatorate of Vatican City State |
| 56.1 | Appointed | Raffaella Petrini, F.S.E. | President of the Pontifical Commission for Vatican City State | President of the Governatorate of Vatican City State |
| 58.3 | Appointed | Giuseppe Puglisi-Alibrandi | Secretary General of the Governatorate of Vatican City State |
| 52.8 | Installed | Rufino Coronel Sescon Jr. | Bishop of Balanga, Philippines |
| 80.0 | Retired | Fernando Vérgez Alzaga, L.C. | President of the Governatorate of Vatican City State | Cardinal, President Emeritus of the Pontifical Commission for Vatican City State |
| 80.0 | Retired | Fernando Vérgez Alzaga, L.C. | President of the Pontifical Commission for Vatican City State | Cardinal, President Emeritus |
| 2 Mar | 69.4 | Installed | Francis Xavier Vira Arpondratana | Archbishop of Bangkok, Thailand |
| 67.1 | Installed | Jérôme Daniel Beau | Archbishop of Poitiers, France |
| 4 Mar | 59.8 | Appointed | Herman Guinto Abcede, R.C.J. | Bishop of Daet, Philippines |
| 6 Mar | 59.7 | Appointed | Ángel Francisco Caraballo Fermín | Archbishop of Cumaná, Venezuela |
| 56.6 | Appointed | Ángel Román Idígoras | Bishop of Albacete, Spain |
| 7 Mar | 62.2 | Appointed | Júlio Endi Akamine, S.A.C. | Coadjutor Archbishop of Belém do Pará, Brazil | Archbishop |
| 48.7 | Appointed | Hryhoriy Komar | Apostolic Administrator of Italy, Faithful of the Ukrainian Catholic Church (Ukrainian) |
| 55.6 | Appointed | Armand Koné | Archbishop of Korhogo, Côte d’Ivoire |
| 78.6 | Retired | Paulo Dionisio Lachovicz (Liakhovych), O.S.B.M. | Apostolic Exarch of Italy, Faithful of the Ukrainian Catholic Church (Ukrainian) | Apostolic Exarch Emeritus |
| 55.4 | Appointed | Stephano Lameck Musomba, O.S.A. | Bishop of Bagamoyo, Tanzania |
| 8 Mar | 80.2 | Died | Ayo-Maria Atoyebi, O.P. † | Bishop Emeritus of Ilorin, Nigeria |
| 96.6 | Died | Ronald Philippe Bär, O.S.B. † | Bishop Emeritus of Rotterdam, Netherlands |
| 55.5 | Appointed | Bernardus Bofitwos Baru, O.S.A. | Bishop of Timika, Indonesia |
| Ceased | Charlie A. Borja | Apostolic Administrator of Chalan Kanoa, Northern Mariana Islands, Pacific (Oceania) | Priest |
| 54.9 | Ordained Bishop | Romeo (Romy) Duetao Convocar | Bishop of Chalan Kanoa, Northern Mariana Islands, Pacific (Oceania) |
| 57.1 | Appointed | Adrian Józef Galbas, S.A.C. | Ordinary of Poland, Faithful of Eastern Rites | Archbishop of Warszawa {Warsaw}, Poland |
| 75.1 | Retired | Kazimierz Nycz | Ordinary of Poland, Faithful of Eastern Rites | Cardinal, Archbishop Emeritus of Warszawa {Warsaw}, Poland |
| 57.8 | Appointed | Víctor Luís Quematcha, O.F.M. | Bishop of Bafatá, Guinea-Bissau |
| 64.2 | Appointed | Paul Prakash Saginala | Bishop of Cuddapah, India |
| 9 Mar | 75.0 | Retired | Felix Genn | Bishop of Münster, Germany | Bishop Emeritus |
| 77.1 | Ceased | Jean-Michel Girard, C.R.B. | Apostolic Administrator of Saint-Maurice, Switzerland | Superior General Emeritus of Canons Regular of the Hospitaller Congregation of Great Saint Bernard |
| 10 Mar | 55.3 | Appointed | Antonius Hamers | Administrator of Münster, Germany |
| 79.6 | Died | Jesús Antonio Lerma Nolasco † | Bishop Emeritus of Iztapalapa, México, México |
| 11 Mar | 95.0 | Died | Francesco Cuccarese † | Archbishop Emeritus of Pescara-Penne, Italy |
| 71.0 | Installed | Robert Walter McElroy | Cardinal, Archbishop of Washington, District of Columbia, USA |
| 15 Mar | 63.4 | Appointed | Giancarlo Dellagiovanna | Apostolic Nuncio to Burkina Faso | Apostolic Nuncio |
| 63.4 | Appointed | Giancarlo Dellagiovanna | Titular Archbishop of Sistroniana | Apostolic Nuncio |
| 51.8 | Appointed | Paul Nguyễn Quang Ðĩnh | Auxiliary Bishop of Hưng Hóa, Viet Nam |
| 51.8 | Appointed | Paul Nguyễn Quang Ðĩnh | Titular Bishop of Voncaria | Auxiliary Bishop of Hưng Hóa, Viet Nam |
| 58.6 | Appointed | Kurian Mathew Vayalunkal | Apostolic Nuncio to Chile |
| 16 Mar | 53.3 | Ordained Bishop | José Miguel Barata Pereira | Bishop of Guarda, Portugal |
| 68.9 | Installed | Antonio Giuseppe Caiazzo | Bishop of Cesena-Sarsina, Italy |
| 17 Mar | 65.1 | Installed | José Armando Álvarez Cano | Coadjutor Archbishop of Morelia, Michoacán, México |
| 58.1 | Appointed | Michael (Micae) Phạm Minh Cường | Administrator of San Diego, California, USA | Bishop |
| 80.0 | Retired | Dennis Joseph Sullivan | Bishop of Camden, New Jersey, USA | Bishop Emeritus |
| 51.5 | Appointed | Oscar Efraín Tamez Villarreal | Apostolic Administrator of Tampico, Tamaulipas, México | Bishop of Ciudad Victoria, Tamaulipas, México |
| 50.8 | Succeeded | Joseph Andrew Williams | Bishop of Camden, New Jersey, USA |
| 18 Mar | 79.1 | Died | Paul Cremona, O.P. † | Archbishop Emeritus of Malta |
| 54.0 | Succeeded | Clement Papa | Archbishop of Mount Hagen, Papua New Guinea |
| 64.2 | Installed | Edward Joseph Weisenburger | Archbishop of Detroit, Michigan, USA |
| 75.1 | Retired | Douglas William Young, S.V.D. | Archbishop of Mount Hagen, Papua New Guinea | Archbishop Emeritus |
| 19 Mar | 71.1 | Ceased | Timothy John Costelloe, S.D.B. | Apostolic Administrator of Bunbury, Australia | Archbishop of Perth, Australia |
| 75.4 | Retired | Stanisław Gądecki | Archbishop of Poznań, Poland | Archbishop Emeritus |
| 62.9 | Installed | Juan María Huerta Muro, O.F.M. | Bishop of Xochimilco, México, México |
| 56.8 | Ordained Bishop | George (Jerzy) Joseph Kołodziej, S.D.S. | Bishop of Bunbury, Australia |
| 94.7 | Died | Athanase Matti Shaba Matoka † | Archbishop Emeritus of Baghdad (Syrian), Iraq |
| 54.9 | Ordained Bishop | Jackson Murugara, I.M.C. | Coadjutor Bishop of Meru, Kenya |
| 57.5 | Ordained Bishop | Samuele Sangalli | Titular Archbishop of Zella | Adjunct Secretary of the Dicastery for Evangelization |
| 53.6 | Ordained Bishop | Diego Ramón Sarrió Cucarella, M. Afr. | Bishop of Laghouat, Algeria |
| 48.4 | Ordained Bishop | Raymond Wai Lin Htun | Titular Bishop of Thucca in Numidia | Auxiliary Bishop of Yangon, Myanmar |
| 60.1 | Appointed | Zbigniew Jan Zieliński | Archbishop of Poznań, Poland |
| 20 Mar | 83.5 | Appointed | Gerald Frederick Kicanas | Apostolic Administrator of Tucson, Arizona, USA | Bishop Emeritus |
| 22 Mar | 56.7 | Installed | Vítor Agnaldo de Menezes | Archbishop of Vitória da Conquista, Bahia, Brazil |
| 65.7 | Appointed | Bernardito Cleopas Auza | Apostolic Nuncio to European Union |
| 68.5 | Appointed | Marcelo Benítez Martínez, O.F.M. | Bishop of Caazapá, Paraguay |
| 56.5 | Ordained Bishop | François André Joseph Marie Gourdon | Bishop of Saint-Dié, France |
| 23 Mar | 55.0 | Installed | Bernardino Giordano | Bishop of Pitigliano-Sovana-Orbetello, Italy | Bishop of Grosseto, Italy |
| 25 Mar | 57.5 | Ordained Bishop | Jaime Alberto Cabrera Arcos | Bishop of Garzón, Colombia |
| 49.9 | Appointed | Ignazio Ceffalia | Apostolic Nuncio to Belarus |
| 49.9 | Appointed | Ignazio Ceffalia | Titular Archbishop of Fiorentino | Apostolic Nuncio to Belarus |
| 63.1 | Ordained Bishop | Selvarajan Dasan | Coadjutor Bishop of Neyyattinkara, India | Bishop |
| 59.1 | Ceased | Miguel Fernando González Mariño | Apostolic Administrator of Garzón, Colombia | Bishop of Espinal, Colombia |
| 56.5 | Installed | François André Joseph Marie Gourdon | Bishop of Saint-Dié, France |
| 60.9 | Ordained Bishop | Anthony Adoun Hongsaphong | Vicar Apostolic of Vientiane, Laos |
| 54.2 | Elected | James Misko | Administrator of Austin, Texas, USA | Priest |
| 58.8 | Installed | Waldemar Passini Dalbello | Coadjutor Bishop of Anápolis, Goias, Brazil |
| 55.6 | Ordained Bishop | Víctor Melchor Quintana Quezada | Bishop of Nuevo Casas Grandes, Chihuahua, México |
| 67.7 | Installed | Joe Steve Vásquez | Archbishop of Galveston-Houston, Texas, USA |
| 26 Mar | 81.0 | Died | Manuel Hilario de Céspedes y García Menocal † | Bishop Emeritus of Matanzas, Cuba |
| 100.8 | Died | Settimio Todisco † | Archbishop Emeritus of Brindisi-Ostuni, Italy |
| 27 Mar | 75.1 | Retired | Demetrio Fernández González | Bishop of Córdoba, Spain | Bishop Emeritus |
| 69.5 | Appointed | Jesús Fernández González | Bishop of Córdoba, Spain |
| 67.0 | Installed | Roberto Calara Mallari | Bishop of Tarlac, Philippines |
| 28 Mar | 59.8 | Appointed | Giovanni Cesare Pagazzi | Archivist of the Vatican Apostolic Archive |
| 59.8 | Appointed | Giovanni Cesare Pagazzi | Librarian of the Vatican Library | Archivist of the Vatican Apostolic Archive |
| 62.3 | Selected | Joseph Wang Zhengui | Bishop of Zhangjiakou, China |
| 75.0 | Retired | Angelo Vincenzo Zani | Archivist of the Vatican Apostolic Archive | Archivist Emeritus |
| 75.0 | Retired | Angelo Vincenzo Zani | Librarian of the Vatican Library | Archivist Emeritus of the Vatican Apostolic Archive |
| 29 Mar | 67.7 | Appointed | Pedro Aguado Cuesta, Sch. P. | Bishop of Huesca, Spain |
| 67.7 | Appointed | Pedro Aguado Cuesta, Sch. P. | Bishop of Jaca, Spain | Bishop of Huesca, Spain |
| 65.7 | Installed | Pablo Modesto González Pérez, S.D.B. | Bishop of La Guaira, Venezuela |
| 57.0 | Installed | Paolo Ricciardi | Bishop of Jesi, Italy |
| 60.5 | Installed | Gustavo Adolfo Rosales Escobar | Bishop of San Jacinto, Ecuador |
| 30 Mar | 55.0 | Installed | Bernardino Giordano | Bishop of Grosseto, Italy |
| 48.7 | Ordained Bishop | Bernard Laloo | Titular Bishop of Trofimiana | Auxiliary Bishop of Shillong, India |
| 66.1 | Ceased | Claudio Maniago | Apostolic Administrator of Crotone-Santa Severina, Italy | Archbishop of Catanzaro-Squillace, Italy |
| 58.1 | Installed | Roberto Repole | Cardinal-Priest of Gesù Divin Maestro alla Pineta Sacchetti | Cardinal, Archbishop of Torino {Turin}, Italy |
| 52.9 | Installed | Tamati Alefosio Sefo, M.S.C. | Prefect of Marshall Islands, Pacific (Oceania) |
| 53.4 | Installed | Alberto Torriani | Archbishop of Crotone-Santa Severina, Italy |
| 31 Mar | 85.0 | Appointed | Vartán Waldir Boghossian, S.D.B. | Apostolic Administrator of San Gregorio de Narek en Buenos Aires (Armenian), Argentina | Bishop Emeritus |
| 85.0 | Appointed | Vartán Waldir Boghossian, S.D.B. | Apostolic Administrator of Latin America and Mexico {America Latina e Messico} (Armenian) | Bishop Emeritus of San Gregorio de Narek en Buenos Aires (Armenian), Argentina |
| 75.8 | Retired | George Joseph Lucas | Archbishop of Omaha, Nebraska, USA | Archbishop Emeritus |
| 60.7 | Appointed | Michael George McGovern | Archbishop of Omaha, Nebraska, USA |