| Date | Age | Event | Bishop | Title | Current Title |
| 1 Mar | 49.8 | Ordained Bishop | Joachim Ntahondereye | Bishop of Muyinga, Burundi |
| 46.6 | Ordained Bishop | Jorge Alberto Ossa Soto | Bishop of Florencia, Colombia |
| 2 Mar | 60.4 | Ordained Bishop | Mathew Anikuzhikattil | Bishop of Idukki (Syro-Malabarese), India |
| 75.7 | Died | Antonio Arellano Durán † | Bishop Emeritus of San Carlos de Venezuela |
| 51.3 | Installed | Michel Christian Cartatéguy, S.M.A. | Bishop of Niamey, Niger | Archbishop of Niamey, Niger |
| 80.1 | Died | Leonard Hsu Ying-fa, O.F.M. † | Auxiliary Bishop Emeritus of Taipei, Taiwan |
| 57.3 | Installed | Carlos López Hernández | Bishop of Salamanca, Spain |
| 71.3 | Died | Jorge Arturo Meinvielle, S.D.B. † | Bishop of San Justo, Argentina |
| 52.1 | Ordained Bishop | Pascal Marie Roland | Bishop of Moulins, France |
| 45.1 | Ordained Bishop | Kindane Yebio | Bishop of Keren, Eritrea |
| 3 Mar | 75.4 | Retired | Sergio Valech Aldunate | Auxiliary Bishop of Santiago de Chile | Auxiliary Bishop Emeritus |
| 6 Mar | 88.8 | Died | Saba Youakim, B.S. † | Archbishop Emeritus of Petra e Filadelfia (Melkite), Jordan |
| 7 Mar | 61.6 | Succeeded | Gerald Frederick Kicanas | Bishop of Tucson, Arizona, USA |
| 65.4 | Ordained Bishop | Joseph Nunzio Latino | Bishop of Jackson, Mississippi, USA |
| 72.3 | Resigned | Manuel Duran Moreno † | Bishop of Tucson, Arizona, USA | Bishop Emeritus |
| 92.9 | Died | Martin Wiesend † | Auxiliary Bishop Emeritus of Bamberg, Germany |
| 8 Mar | 94.4 | Died | Harry Anselm Clinch † | Bishop Emeritus of Monterey in California, USA |
| 61.5 | Appointed | Domenico Umberto D'Ambrosio | Archbishop of Manfredonia-Vieste-San Giovanni Rotondo, Italy | Archbishop of Lecce, Italy |
| 81.7 | Died | Abel Alonso Núñez, O. de M. † | Bishop Emeritus of Campo Maior, Piaui, Brazil |
| 55.9 | Appointed | Alfred Maria Oburu Asue, C.M.F. † | Bishop of Ebebiyin, Equatorial Guinea |
| 9 Mar | 53.3 | Installed | Gílio Felício | Bishop of Bagé, Rio Grande do Sul, Brazil |
| 10 Mar | 49.4 | Appointed | Jean-Luc Marie Maurice Louis Bouilleret | Bishop of Amiens, France |
| 75.9 | Retired | Jacques Moïse Eugène Noyer | Bishop of Amiens, France | Bishop Emeritus |
| 11 Mar | 53.7 | Appointed | Michael Richard Cote | Bishop of Norwich, Connecticut, USA |
| 62.7 | Appointed | Guillermo José Garlatti | Archbishop of Bahía Blanca, Argentina |
| 75.5 | Retired | Daniel Anthony Hart † | Bishop of Norwich, Connecticut, USA | Bishop Emeritus |
| 70.9 | Resigned | Julio Ojeda Pascual, O.F.M. | Vicar Apostolic of San Ramón, Peru | Vicar Apostolic Emeritus |
| 52.8 | Succeeded | Gerardo Antonio Zerdín Bukovec, O.F.M. | Vicar Apostolic of San Ramón, Peru |
| 12 Mar | 53.0 | Installed | Patricio Abella Buzon, S.D.B. | Bishop of Kabankalan, Philippines |
| 15 Mar | 81.2 | Died | Leonard James Crowley † | Auxiliary Bishop Emeritus of Montréal, Québec, Canada |
| 76.1 | Retired | Robert Marie Gay, M. Afr. | Bishop of Kabale, Uganda | Bishop Emeritus |
| 74.8 | Retired | Urbanus Joseph Kioko † | Bishop of Machakos, Kenya | Bishop Emeritus |
| 51.1 | Appointed | Martin Kivuva Musonde | Bishop of Machakos, Kenya |
| 47.5 | Installed | Tomislav Koljatic Maroevic | Bishop of Linares, Chile |
| 55.2 | Appointed | Francisco Javier Martínez Fernández | Archbishop of Granada, Spain |
| 69.3 | Resigned | Libardo Ramírez Gómez | Bishop of Garzón, Colombia | Bishop Emeritus |
| 53.1 | Appointed | Callistus Rubaramira | Bishop of Kabale, Uganda |
| 62.0 | Ordained Bishop | Fausto Gabriel Trávez Trávez, O.F.M. | Titular Bishop of Sullectum | Bishop of Babahoyo, Ecuador |
| 45.5 | Ordained Bishop | Jesús Tomás Zárraga Colmenares | Bishop of San Carlos de Venezuela |
| 16 Mar | 87.5 | Died | Eduardo Tomás Boza Masvidal † | Auxiliary Bishop Emeritus of San Cristobal de la Habana, Cuba |
| 75.9 | Installed | Joseph Ratzinger | Cardinal-Bishop of Ostia | Pope (Roma {Rome}, Italy) |
| 70.3 | Installed | Augusto José Zini Filho † | Bishop of Limeira, Sao Paulo, Brazil |
| 17 Mar | 85.1 | Died | Charles Alexander K. Salatka † | Archbishop Emeritus of Oklahoma City, Oklahoma, USA |
| 18 Mar | 85.3 | Died | Eugene Louis D'Souza, M.S.F.S. † | Archbishop Emeritus of Bhopal, India |
| 92.0 | Died | Bruno Bernard Heim † | Apostolic Nuncio Emeritus to Great Britain |
| 76.1 | Retired | Paul Lokiru Kalanda | Bishop of Fort Portal, Uganda | Bishop Emeritus |
| 90.4 | Died | Theodorus Hubertus Moors, M.S.C. † | Bishop Emeritus of Manado, Indonesia |
| 44.4 | Appointed | Robert Muhiirwa | Bishop of Fort Portal, Uganda |
| 51.8 | Ordained Bishop | Harold Anthony Perera | Bishop of Ratnapura, Sri Lanka | Bishop of Kurunegala, Sri Lanka |
| 19 Mar | 51.6 | Ordained Bishop | Michael Charles Evans | Bishop of East Anglia, England, Great Britain |
| 46.2 | Ordained Bishop | Gustavo Garcia-Siller, M.Sp.S. | Titular Bishop of Oescus | Auxiliary Bishop of Chicago, Illinois, USA |
| 60.4 | Ordained Bishop | Francis Joseph Kane | Titular Bishop of Sault Sainte Marie in Michigan | Auxiliary Bishop of Chicago, Illinois, USA |
| 59.5 | Appointed | Joseph Koerber, C.S.Sp. | Prefect of Makokou, Gabon |
| 51.5 | Appointed | Mathias Ri Iong-hoon (Lee Yong-Hoon) | Auxiliary Bishop of Suwon, Korea (South) | Bishop |
| 51.5 | Appointed | Mathias Ri Iong-hoon (Lee Yong-Hoon) | Titular Bishop of Catabum Castra | Bishop of Suwon, Korea (South) |
| 68.3 | Ordained Bishop | Assis Lopes | Titular Bishop of Zaraï | Auxiliary Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 42.7 | Appointed | Mathieu Madega Lebouankehan | Bishop of Port-Gentil, Gabon |
| 52.5 | Ordained Bishop | Julien Andavo Mbia | Bishop of Isiro-Niangara, Congo (Dem. Rep.) |
| 69.0 | Appointed | Néstor Hugo Navarro | Bishop of Alto Valle del Río Negro, Argentina |
| 50.6 | Ordained Bishop | Thomas John Joseph Paprocki | Titular Bishop of Vulturaria | Auxiliary Bishop of Chicago, Illinois, USA |
| 77.7 | Retired | José Pedro Pozzi, S.D.B. | Bishop of Alto Valle del Río Negro, Argentina | Bishop Emeritus |
| 20 Mar | 62.5 | Appointed | Antonio Angel Algora Hernando | Bishop of Ciudad Real, Spain |
| 59.5 | Appointed | Carlos Germán Mesa Ruiz | Bishop of Arauca, Colombia |
| 76.0 | Retired | Rafael Torija de la Fuente | Bishop of Ciudad Real, Spain | Bishop Emeritus |
| 21 Mar | 78.0 | Retired | Antonio José González Zumárraga † | Archbishop of Quito, Ecuador | Cardinal, Archbishop Emeritus |
| 45.7 | Appointed | Georges Nicolas Haddad, S.M.S.P. | Apostolic Administrator of Akka [San Giovanni d’Acri; Tolemaide] (Melkite), Israel | Archbishop of Baniyas {Cesarea di Filippo; Paneade} (Melkite), Lebanon |
| 71.4 | Appointed | Andraos Salama † | Bishop of Guizeh (Coptic), Egypt |
| 69.2 | Appointed | Raúl Eduardo Vela Chiriboga | Archbishop of Quito, Ecuador |
| 22 Mar | 46.8 | Appointed | Philip Arnold Subira Anyolo | Bishop of Homa Bay, Kenya |
| 75.6 | Retired | Marianus Arokiasamy † | Archbishop of Madurai, India | Archbishop Emeritus |
| 64.0 | Appointed | Peter Fernando | Archbishop of Madurai, India |
| 49.3 | Ordained Bishop | John Hsane Hgyi | Titular Bishop of Puppi | Bishop of Pathein, Myanmar |
| 60.3 | Appointed | Emmanuel Okombo | Bishop of Kericho, Kenya |
| 63.9 | Appointed | Jean-Claude Périsset | Apostolic Nuncio to Moldova, Republic of | Apostolic Nuncio to Germany |
| 62.6 | Appointed | Yannis Spiteris, O.F.M. Cap. | Archbishop of Corfù, Zante e Cefalonia, Greece |
| 79.2 | Retired | Antónios Varthalítis, A.A. † | Archbishop of Corfù, Zante e Cefalonia, Greece | Archbishop Emeritus |
| 24 Mar | 83.4 | Died | Hans Hermann Groër, O.S.B. † | Cardinal, Archbishop Emeritus of Wien {Vienna}, Austria |
| 25 Mar | 68.3 | Installed | Rafael Arcadio Bernal Supelano, C.SS.R. | Bishop of Líbano-Honda, Colombia | Bishop Emeritus |
| 51.6 | Appointed | Francesco Beschi | Auxiliary Bishop of Brescia, Italy | Bishop of Bergamo, Italy |
| 51.6 | Appointed | Francesco Beschi | Titular Bishop of Vinda | Bishop of Bergamo, Italy |
| 55.7 | Appointed | Claude Champagne, O.M.I. | Auxiliary Bishop of Halifax, Nova Scotia, Canada | Bishop of Edmundston, New Brunswick, Canada |
| 55.7 | Appointed | Claude Champagne, O.M.I. | Titular Bishop of Sufasar | Bishop of Edmundston, New Brunswick, Canada |
| 75.5 | Retired | Bronislaw Dembowski | Bishop of Włocławek, Poland | Bishop Emeritus |
| 55.3 | Ordained Bishop | Alonso Gerardo Garza Treviño | Bishop of Piedras Negras, Coahuila, México |
| 57.3 | Appointed | Wieslaw Alojzy Mering | Bishop of Włocławek, Poland |
| 61.7 | Ordained Bishop | José Victoriano Naranjo Tovar | Bishop of Latacunga, Ecuador |
| 75.6 | Retired | Vigilio Mario Olmi | Auxiliary Bishop of Brescia, Italy | Auxiliary Bishop Emeritus |
| 68.5 | Ordained Bishop | Luigi Paiaro | Bishop of Nyahururu, Kenya |
| 61.1 | Appointed | Richard Stephen Seminack | Bishop of Saint Nicolas of Chicago (Ukrainian), Illinois, USA |
| 76.2 | Died | Mori Julien-Marie Sidibé † | Bishop of Ségou, Mali |
| 63.0 | Ordained Bishop | Thomas Vazhapilly | Bishop of Mysore, India |
| 70.9 | Resigned | Michael Wiwchar, C.SS.R. | Apostolic Administrator of Saint Nicolas of Chicago (Ukrainian), Illinois, USA | Bishop Emeritus of Saskatoon (Ukrainian), Canada |
| 27 Mar | 75.0 | Retired | Ferenc Keszthelyi, O. Cist. | Bishop of Vác, Hungary | Bishop Emeritus |
| 29 Mar | 70.2 | Appointed | Leonardo Mario Bernacchi, O.F.M. | Vicar Apostolic of Camiri, Bolivia | Vicar Apostolic Emeritus |
| 75.2 | Retired | Geevarghese Timotheos Chundevalel | Bishop of Tiruvalla (Malankarese), India | Bishop Emeritus |
| 51.1 | Ordained Bishop | Pietro Maria Fragnelli | Bishop of Castellaneta, Italy |
| 46.7 | Installed | Jorge Alberto Ossa Soto | Bishop of Florencia, Colombia |
| 45.5 | Installed | Jesús Tomás Zárraga Colmenares | Bishop of San Carlos de Venezuela |
| 30 Mar | 62.4 | Installed | José María Arancedo | Archbishop of Santa Fe de la Vera Cruz, Argentina |
| 79.6 | Resigned | Moisés Julio Blanchoud | Apostolic Administrator of Santa Fe de la Vera Cruz, Argentina | Archbishop Emeritus of Salta, Argentina |
| 66.3 | Died | Vincent DePaul Breen † | Bishop Emeritus of Metuchen, New Jersey, USA |
| 46.6 | Ordained Bishop | Rainer Woelki | Titular Bishop of Scampa | Auxiliary Bishop of Köln {Cologne}, Germany |