| Living Prelates (Total 5642) * |
  Archbishop José Ulises Macías Salcedo (84), Metropolitan Archbishop emeritus of Hermosillo (Mexico) |
  Bishop Ángel José Macín (57), Bishop of Reconquista (Argentina) |
 Bishop Shane Anthony Mackinlay (59), Bishop of Sandhurst (Australia) |
 Bishop Jerzy Maculewicz, O.F.M. Conv. (69), Apostolic Administrator of Uzbekistan (Uzbekistan), Titular Bishop of Nara and Vice-President of Bishops’ Conference of Central Asia |
  Archbishop Thomas Ignatius Macwan (72), Metropolitan Archbishop of Gandhinagar (India) |
 Bishop John Gordon MacWilliam, M. Afr. (76), Bishop of Laghouat (Algeria) |
| Bishop George Madathikandathil (68), Bishop of Kothamangalam of the Syro-Malabars (India) |
| Bishop Augustine Madathikunnel (61), Bishop of Khandwa (India) |
 Bishop Justin Alexander Madathiparambil (52), Titular Bishop of Lysinia and Auxiliary Bishop of Vijayapuram (India) |
  Bishop Denis James Madden (84), Titular Bishop of Baia and Auxiliary Bishop emeritus of Baltimore (USA) |
 Bishop Mathieu Madega Lebouakehan (64), Bishop of Mouila (Gabon) |
  Fr. Andrzej Madej, O.M.I. (73), Ecclesiastical Superior of Turkmenistan (Turkmenistan) |
 Bishop Edgar Amine Madi (68), Bishop of Nossa Senhora do Líbano em São Paulo of the Maronites (Brazil) |
  Archbishop Marcel Madila Basanguka (69), President of Association of Episcopal Conferences of Central Africa and Metropolitan Archbishop emeritus of Kananga (Congo-Kinshasa) |
| Bishop Dieudonné Madrapile Tanzi (66), Bishop of Isiro–Niangara (Congo-Kinshasa) and Apostolic Administrator of Isangi (Congo-Kinshasa) |
 Archbishop Luis Madrid Merlano (78), Metropolitan Archbishop emeritus of Nueva Pamplona (Colombia) |
| Bishop Roberto Madrigal Gallegos (57), Bishop of Tuxpan (Mexico) |
  Bishop Manuel Madureira Dias (88), Bishop emeritus of Faro (Portugal) |
  Cardinal Thomas Aquino Manyo Maeda (トマス・アクィナス 前田万葉) (75), Cardinal-Priest of S. Pudenziana and Metropolitan Archbishop of Osaka–Takamatsu 大阪高松 (Japan) |
| Bishop Steven Maekawa, O.P. (57), Bishop of Fairbanks (USA) |
| Bishop Ferdinand Maemba Liwoke (85), Bishop emeritus of Lolo (Congo-Kinshasa) |
 Archbishop Ivan Maffeis (61), Metropolitan Archbishop of Perugia–Città della Pieve (Italy) |
 Cardinal Soane Patita Paini Mafi (63), Cardinal-Priest of S. Paola Romana and Bishop of Tonga (Tonga) |
 Bishop John Magee, S.P.S. (88), Bishop emeritus of Cloyne (Ireland) |
 Bishop Valter Dario Maggi (68), Bishop emeritus of Ibarra (Ecuador) |
| Bishop Valter Magno de Carvalho (51), Titular Bishop of Giufi and Auxiliary Bishop of São Salvador da Bahia (Brazil) |
| Archbishop Odelir José Magri, M.C.C.J. (61), Metropolitan Archbishop of Chapecó (Brazil) |
 Bishop Ernesto Maguengue (60), Bishop of Inhambane (Mozambique) |
 Cardinal Roger Michael Mahony (88), Cardinal-Priest of Ss. Quattro Coronati, Metropolitan Archbishop emeritus of Los Angeles (USA) and former Member of Council of Cardinals for the Study of Organisational and Economic Problems of the Apostolic See |
 Bishop Charles Mahuza Yava, S.D.S. (64), Vicar Apostolic of Archipel des Comores (Comoros) and Titular Bishop of Apisa maius |
| Cardinal Adam Joseph Maida (94), Cardinal-Priest of Ss. Vitale, Valeria, Gervasio e Protasio, Metropolitan Archbishop emeritus of Detroit (USA) and Ecclesiastical Superior emeritus of Cayman Islands (Cayman Islands) |
 Archbishop Armand Maillard (81), Archbishop emeritus of Bourges (France) |
| Bishop José Maria Maimone, S.A.C. (92), Bishop emeritus of Umuarama (Brazil) |
| Bishop Fernando Maio de Paiva (62), Bishop of Beja (Portugal) |
| Bishop Paul Maipan (80), Bishop emeritus of Khammam (India) |
 Bishop Joseph Mairura Okemwa (70), Bishop of Kisii (Kenya) |
| Archbishop José Luiz Majella Delgado, C.SS.R. (71), Metropolitan Archbishop of Pouso Alegre (Brazil) |
 Bishop Željko Majić (61), Bishop of Banja Luka (Bosnia and Herzegovina) |
 Bishop Antal Majnek, O.F.M. (73), Bishop emeritus of Mukacheve (Ukraine) |
 Bishop Stephen Nyodho Ador Majwok (52), Bishop of Malakal (South Sudan) |
| Bishop Peter Munguti Makau, I.M.C. (49), Bishop of Isiolo (Kenya) |
 Bishop Jean-Claude Makaya Loembe (70), Bishop emeritus of Pointe-Noire (Congo-Brazzaville) |
| Archbishop Tomé Makhweliha, S.C.I. (80), Metropolitan Archbishop emeritus of Nampula (Mozambique) |
  Cardinal Rolandas Makrickas (52), Cardinal-Deacon of S. Eustachio and Coadjutor Archpriest of Papal Basilica of Saint Mary Major |
| Archbishop Maurice Muhatia Makumba (56), Metropolitan Archbishop of Kisumu (Kenya) and President of Kenya Conference of Catholic Bishops |
| Bishop Giuseppe Malandrino (93), Bishop emeritus of Noto (Italy) |
| Bishop Eduardo Malaspina (57), Bishop of Itapeva (Brazil) |
| Bishop Victor Manuel Maldonado Barreno, O.F.M. (97), Titular Bishop of Ceramussa and Auxiliary Bishop emeritus of Guayaquil (Ecuador) |
| Bishop Luis Albeiro Maldonado Monsalve (66), Bishop of Mocoa–Sibundoy (Colombia) |
| Bishop Edward Charles Malesic (64), Bishop of Cleveland (USA) |
| Bishop Carlos Humberto Malfa (76), Bishop emeritus of Chascomús (Argentina) |
 Bishop Pierre Claver Malgo (70), Bishop of Fada N’Gourma (Burkina Faso) |
 Bishop Roberto Calara Mallari (66), Bishop of Tarlac (Philippines) |
| Archbishop Prakash Mallavarapu (75), Metropolitan Archbishop emeritus of Visakhapatnam (India) |
| Bishop Xavier Malle (59), Bishop of Gap–Embrun (France) |
| Bishop David John Malloy (68), Bishop of Rockford (USA) |
 Archbishop Michel Malo, Prado (86), Metropolitan Archbishop emeritus of Antsiranana (Madagascar) |
| Bishop Francis Ignatius Malone (74), Bishop of Shreveport (USA) |
| Bishop Michael John Malone (85), Bishop emeritus of Maitland–Newcastle (Australia) |
| Bishop Richard Joseph Malone (78), Bishop emeritus of Buffalo (USA) |
| Bishop William Francis Malooly (80), Bishop emeritus of Wilmington (USA) |
| Bishop Maurizio Malvestiti (71), Bishop of Lodi (Italy) and Pontifical Delegate for Benedictine Congregation of the Mechitarists (Mechitarists) |
| Bishop Leon Maly (66), Titular Bishop of Tabunia and Auxiliary Bishop of Lviv (Ukraine) |
 Bishop Václav Malý (74), Titular Bishop of Marcelliana and Auxiliary Bishop of Praha (Czechia) |
 Bishop Maciej Małyga (45), Titular Bishop of Ulcinj and Auxiliary Bishop of Wrocław (Poland) |
 Archbishop Gabriel Malzaire (67), Metropolitan Archbishop of Castries (Saint Lucia) |
 Bishop Basilio Mamani Quispe (49), Titular Bishop of Naissus and Auxiliary Bishop of La Paz (Bolivia) |
 Bishop Paul Abel Mamba Diatta (64), Bishop of Tambacounda (Senegal) and Vice-President of Conference of Bishops of Senegal, Mauritania, Cape Verde and Guinea-Bissau |
| Cardinal Dominique François Joseph Mamberti (72), Cardinal-Deacon of S. Spirito in Sassia, Prefect of Supreme Tribunal of the Apostolic Signatura, President of Commission for Advocates and Protodeacon of College of Cardinals |
| Bishop Valdir Mamede (63), Bishop emeritus of Catanduva (Brazil) |
| Bishop João Mamede Filho, O.F.M. Conv. (73), Bishop of Umuarama (Brazil) |
 Bishop Stephen Dami Mamza (55), Bishop of Yola (Nigeria) and Second Vice-President of Symposium of Episcopal Conferences of Africa and Madagascar |
| Bishop Gabriele Mana (81), Bishop emeritus of Biella (Italy) |
| Bishop Mathew Polycarpos Manakkarakavil (69), Titular Bishop of Canatha and Auxiliary Bishop of Trivandrum of the Syro-Malankara (India) |
| Archbishop Bienvenu Manamika Bafouakouahou (60), Metropolitan Archbishop of Brazzaville (Congo-Brazzaville) and President of Episcopal Conference of Congo |
| Bishop Jacob Manathodath (77), Bishop emeritus of Palghat of the Syro-Malabars (India) |
| Bishop Juan Manuel Mancilla Sánchez (74), Bishop of Texcoco (Mexico) |
 Archbishop Anthony Mancini (79), Metropolitan Archbishop emeritus of Halifax–Yarmouth (Canada) |
 Archbishop Petrus Canisius Mandagi, M.S.C. (75), Metropolitan Archbishop of Merauke (Indonesia) |
| Bishop Ernesto Mandara (72), Bishop of Sabina–Poggio Mirteto (Italy) |
| Bishop Francesco Manenti (73), Bishop of Senigallia (Italy) |
| Bishop Stefano Manetti (65), Bishop of Fiesole (Italy) |
 Archbishop Nicholas Mang Thang (81), Metropolitan Archbishop emeritus of Mandalay (Myanmar) |
| Bishop Jean Baptiste Valter Manga (52), Bishop of Ziguinchor (Senegal) |
| Bishop Jose Elmer Imas Mangalinao (64), Bishop of Bayombong (Philippines) |
 Archbishop Michael Didi Adgum Mangoria (66), Metropolitan Archbishop of Khartoum (Sudan) |
| Bishop Jose Ricare Manguiran (88), Bishop emeritus of Dipolog (Philippines) |
| Archbishop Giuseppe Mani (88), Metropolitan Archbishop emeritus of Cagliari (Italy) |
 Bishop Simon Mani, M.S.C. (55), Bishop of Tarawa and Nauru (Kiribati) |
| Archbishop Claudio Maniago (65), Metropolitan Archbishop of Catanzaro–Squillace (Italy) |
| Archbishop Raphy Manjaly (66), Metropolitan Archbishop of Agra (India) |
| Bishop Wilfredo Dasco Manlapaz (83), Bishop emeritus of Tagum (Philippines) |
| Archbishop Henry Joseph Mansell (87), Metropolitan Archbishop emeritus of Hartford (USA) |
| Bishop Luigi Mansi (72), Bishop of Andria (Italy) |
| Bishop Gregory John Mansour (69), Bishop of Saint Maron of Brooklyn of the Maronites (USA) |
 Bishop Gabriel Akwasi Abiabo Mante (77), Bishop of Jasikan (Ghana) |
| Bishop Bohdan Manyshyn (52), Titular Bishop of Lesvi and Auxiliary Bishop of Stryj of the Ukrainians (Ukraine) |
| Bishop Mariano Manzana (77), Bishop emeritus of Mossoró (Brazil) |
| Bishop Vincenzo Manzella (82), Bishop emeritus of Cefalù (Italy) |
 Bishop Peter Mao Qing-fu (毛慶福) (61), Auxiliary Bishop of Luoyang 洛陽 (China) |
