| Living Prelates (Total 5656) * |
  Bishop Francis Meli (63), Bishop of Vanimo (Papua New Guinea) |
 Bishop Sergio Melillo (70), Bishop of Ariano Irpino–Lacedonia (Italy) |
| Bishop Corrado Melis (63), Bishop of Ozieri (Italy) |
  Bishop Grégoire Pierre Melki (86), Titular Bishop of Batnæ of the Syriacs and Patriarchal Exarch emeritus of Jerusalem (Palestine and Jordan) of the Syriacs (Palestine) |
 Bishop Marco Mellino (59), Titular Bishop of Cresima, Adjunct Secretary of Dicastery for Legislative Texts and Secretary of Council of Cardinals |
| Bishop Pietro Meloni (90), Bishop emeritus of Nuoro (Italy) |
 Bishop Pedro Sergio de Jesús Mena Díaz (70), Titular Bishop of Zuglio and Auxiliary Bishop of Yucatán (Mexico) |
  Archbishop Thomas Menamparampil, S.D.B. (89), Metropolitan Archbishop emeritus of Guwahati (India) |
 Bishop Giulio Mencuccini, C.P. (80), Bishop emeritus of Sanggau (Indonesia) |
 Bishop Hildebrando Mendes Costa (99), Bishop emeritus of Estância (Brazil) |
 Bishop Manuel António Mendes dos Santos, C.M.F. (66), Bishop emeritus of São Tomé e Príncipe (São Tomé and Príncipe) |
 Archbishop Paulo Mendes Peixoto (75), Metropolitan Archbishop of Uberaba (Brazil) |
 Bishop Teodoro Mendes Tavares, C.S.Sp. (62), Bishop of Santiago de Cabo Verde (Cabo Verde) |
 Bishop Benito Adán Méndez Bracamonte (63), Military Ordinary of Venezuela (Venezuela) |
 Bishop Warnakulasurya Wadumestrige Devasritha Valence Mendis (67), Bishop of Kandy (Sri Lanka) |
| Bishop José Luis Mendoza Corzo (66), Titular Bishop of Lamiggiga and Auxiliary Bishop of Tuxtla Gutiérrez (Mexico) |
| Bishop Efraín Mendoza Cruz (66), Bishop of Cuautitlán (Mexico) |
  Bishop Gustavo Rodolfo Mendoza Hernández (91), Titular Bishop of Selemselæ and Auxiliary Bishop emeritus of Santiago de Guatemala (Guatemala) |
 Bishop Gabriel Mendy, C.S.Sp. (59), Bishop of Banjul (Gambia) and President of Inter-territorial Catholic Bishops’ Conference of the Gambia and Sierra Leone / ITCABIC |
 Bishop Marek Mendyk (65), Bishop of Świdnica (Poland) |
| Bishop Ailton Menegussi (63), Bishop of Crateús (Brazil) |
| Bishop Ignatius Menezes (90), Bishop emeritus of Ajmer (India) |
| Bishop Rozario Menezes, S.M.M. (56), Bishop of Lae (Papua New Guinea) |
 Bishop Timothy Francis Menezes (55), Titular Bishop of Thugga and Auxiliary Bishop of Birmingham (England) |
| Archbishop Josafá Menezes da Silva (67), Metropolitan Archbishop of Aracaju (Brazil) |
 Archbishop Paul Meng Ning-you (孟寧友) (63), Metropolitan Archbishop of Taiyuan 太原 (China) |
| Archbishop Paul Meng Qing-lu (孟青祿) (63), Metropolitan Archbishop of Suiyuan 綏遠 (China) |
| Bishop Giuseppe Mengoli (61), Bishop of San Severo (Italy) |
 Bishop Stephan Meniok, C.SS.R. (76), Titular Bishop of Acarassus and Archiepiscopal Exarch emeritus of Donets’k of the Ukrainians (Ukraine) |
 Bishop Evelio Menjivar-Ayala (55), Titular Bishop of Aëtus and Auxiliary Bishop of Washington (USA) |
| Archbishop Antonio Mennini (78), Titular Archbishop of Ferento |
 Bishop Neri Menor Vargas, O.F.M. (65), Bishop of Carabayllo (Peru) |
 Archbishop Thomas Meram (82), Metropolitan Archbishop emeritus of Urmyā of the Chaldeans (Iran) and Bishop emeritus of Salmas of the Chaldeans (Iran) |
 Archbishop Gilbert Marie Michel Méranville (90), Metropolitan Archbishop emeritus of Fort-de-France–Saint-Pierre (Martinique) |
 Bishop Jesse Eugenio Mercado (74), Bishop of Parañaque (Philippines) |
 Bishop Marco Antonio Merchán Ladino (55), Bishop of Neiva (Colombia) and Apostolic Administrator of Tierradentro (Colombia) |
  Archbishop Joël Mercier (81), Titular Archbishop of Rota and Secretary emeritus of Congregation for Clergy |
 Bishop Charbel Georges Merhi, L.M. (88), Bishop emeritus of San Charbel en Buenos Aires of the Maronites (Argentina) |
| Bishop Wiesław Alojzy Mering (80), Bishop emeritus of Włocławek (Poland) |
| Bishop Giuseppe Merisi (87), Bishop emeritus of Lodi (Italy) |
| Bishop Franz Josef Meinrad Merkel, C.S.Sp. (81), Bishop emeritus of Humaitá (Brazil) |
| Bishop John Mario Mesa Palacio (59), Vicar Apostolic of Leticia (Colombia) |
| Bishop Carlos Germán Mesa Ruiz (82), Bishop emeritus of Socorro y San Gil (Colombia) |
 Archbishop Max Leroy Mésidor (64), Metropolitan Archbishop of Port-au-Prince (Haiti) and President of Episcopal Conference of Haiti |
| Bishop Socrates Calamba Mesiona, M.S.P. (62), Vicar Apostolic of Puerto Princesa (Philippines) and Titular Bishop of Budua |
| Bishop João Maria Messi, O.S.M. (91), Bishop emeritus of Barra do Piraí–Volta Redonda (Brazil) |
| Bishop Emanuel Messias de Oliveira (77), Bishop emeritus of Caratinga (Brazil) |
| Archbishop Gabriel Antonio Mestre (57), Metropolitan Archbishop emeritus of La Plata (Argentina) |
 Bishop Mario Eusebio Mestril Vega (86), Bishop emeritus of Ciego de Ávila (Cuba) |
 Bishop Gjergj Meta (49), Bishop of Rrëshen (Albania) and President of Episcopal Conference of Albania |
| Bishop Gilson Meurer (52), Bishop of Lages (Brazil) |
| Bishop Liro Vendelino Meurer (71), Bishop of Santo Ângelo (Brazil) |
| Bishop Luc Meyer (57), Bishop of Rodez (France) |
| Archbishop Ângelo Ademir Mezzari, R.C.J. (69), Metropolitan Archbishop of Vitória (Brazil) |
 Bishop Filbert Felician Mhasi (55), Bishop of Tunduru–Masasi (Tanzania) |
| Bishop Jean-Marc Micas, P.S.S. (62), Bishop of Tarbes et Lourdes (France) |
| Bishop Pier Giorgio Micchiardi (83), Bishop emeritus of Acqui (Italy) |
| Bishop Francesco Miccichè (82), Bishop emeritus of Trapani (Italy) |
| Archbishop Józef Michalik (84), Metropolitan Archbishop emeritus of Przemyśl (Poland) |
| Bishop Pierre-Yves Michel (66), Bishop of Nancy (France) |
 Bishop Daniel Joseph Miehm (65), Bishop of Peterborough (Canada) |
| Bishop Andrea Migliavacca (58), Bishop of Arezzo–Cortona–Sansepolcro (Italy) and Member of College for the review of appeals by clergy accused of delicta reservata |
 Cardinal Arrigo Miglio (83), Cardinal-Priest of S. Clemente and Metropolitan Archbishop emeritus of Cagliari (Italy) |
| Bishop Antonino Migliore (79), Bishop emeritus of Coxim (Brazil) |
| Archbishop Celestino Migliore (73), Titular Archbishop of Canosa and Apostolic Nuncio to France |
 Bishop Luis Alberto Migone Repetto (66), Titular Bishop of Amaura and Auxiliary Bishop of Santiago (Chile) |
| Bishop Romanus Elamu Mihaliè (56), Bishop of Iringa (Tanzania) |
| Bishop Danival Milagres Coelho (49), Titular Bishop of Vatarba and Auxiliary Bishop of Goiânia (Brazil) |
 Archbishop Anatole Milandou (80), Metropolitan Archbishop emeritus of Brazzaville (Congo-Brazzaville) |
| Archbishop Mario Milano (89), Archbishop-Bishop emeritus of Aversa (Italy) |
 Archbishop Mark Gerard Miles (58), Titular Archbishop of Città Ducale and Apostolic Nuncio to Costa Rica |
| Bishop Mirosław Milewski (55), Titular Bishop of Villa nova and Auxiliary Bishop of Płock (Poland) |
| Bishop Francesco Milito (77), Bishop emeritus of Oppido Mamertina–Palmi (Italy) |
| Archbishop John Michael Miller, C.S.B. (79), Metropolitan Archbishop emeritus of Vancouver (Canada) |
 Bishop Ivan Milovan (85), Bishop emeritus of Poreč i Pula (Croatia) |
| Bishop Yosyf Milyan, M.S.U. (69), Titular Bishop of Drusiliana and Auxiliary Bishop of Kyiv of the Ukrainians (Ukraine) |
 Bishop Stanislaus Min Ko (53), Bishop of Hpa-an (Myanmar) |
 Bishop Antonios Aziz Mina (71), Bishop emeritus of Guizeh of the Copts (Egypt) |
| Bishop Oscar Eduardo Miñarro (65), Titular Bishop of Anzio, Apostolic Administrator of Alto Valle del Río Negro (Argentina) and Auxiliary Bishop of Merlo–Moreno (Argentina) |
  Patriarch Raphaël Bedros XXI Minassian (79), Patriarch of Cilicia of the Armenians (Lebanon) and President of Synod of the Armenian Catholic Church |
 Bishop Guido Iván Minda Chalá (66), Bishop of Santa Elena (Ecuador) |
| Bishop Ludovick Joseph Minde, ALCP/OSS (73), Bishop of Moshi (Tanzania) |
| Archbishop Ciro Miniero (68), Metropolitan Archbishop of Taranto (Italy) |
| Bishop Patras Minj, S.J. (81), Bishop emeritus of Ambikapur (India) |
| Archbishop Roland Minnerath (79), Metropolitan Archbishop emeritus of Dijon (France) |
| Bishop Egidio Miragoli (70), Bishop of Mondovì (Italy) and Member of College for the review of appeals by clergy accused of delicta reservata |
| Bishop Robert Michael Miranda (74), Bishop of Gulbarga (India) |
| Bishop Alfonso Gerardo Miranda Guardiola (59), Bishop of Piedras Negras (Mexico) |
 Bishop Luis Francisco Miranda Rivera, O. Carm. (72), Bishop of Fajardo–Humacao (Puerto Rico) |
 Bishop João Miranda Teixeira (90), Titular Bishop of Castellum Iabar and Auxiliary Bishop emeritus of Porto (Portugal) |
| Archbishop Constancio Miranda Weckmann (73), Metropolitan Archbishop of Chihuahua (Mexico) |
 Archbishop Yousif Thomas Mirkis, O.P. (76), Metropolitan Archbishop of Kirkuk–Sulaimaniya of the Chaldeans (Iraq) and General Secretary of Synod of the Chaldean Church |
| Bishop James Misko (55), Bishop of Tucson (USA) |
 Bishop Walter Mixa (84), Bishop emeritus of Augsburg (Germany) and Military Ordinary emeritus of Germany (Germany) |
 Bishop Dominic Ryōji Miyahara (ドミニコ 宮原良治) (70), Bishop emeritus of Fukuoka 福岡 (Japan) |
| Bishop Artur Grzegorz Miziński (61), Titular Bishop of Tarasa in Numidia and Auxiliary Bishop of Lublin (Poland) |
| Bishop Daniel Mizonzo (72), Bishop of Nkayi (Congo-Brazzaville) |
| Bishop Telesphore Richard Mkude (80), Bishop emeritus of Morogoro (Tanzania) |
| Bishop Joseph Roman Mlola, ALCP/OSS (60), Bishop of Kigoma (Tanzania) |
| Bishop Reginei José Modolo (51), Titular Bishop of Macriana in Mauretania and Auxiliary Bishop of Curitiba (Brazil) |
