| Living Prelates (Total 5286) *
|
  Bishop Valdir Mamede (51), Titular Bishop of Naissus, Auxiliary Bishop of Brasília (Brazil) |
 Bishop João Mamede Filho, O.F.M. Conv. (61), Bishop of Umuarama (Brazil) |
 Bishop Stephen Dami Mamza (43), Bishop of Yola (Nigeria) |
 Bishop Gabriele Mana (70), Bishop of Biella (Italy) |
 Bishop Jacob Manathodath (66), Bishop of Palghat of the Syro-Malabars (India) |
 Archbishop Luiz Mancilha Vilela, SS.CC. (70), Metropolitan Archbishop of Vitória (Brazil) |
 Bishop Juan Manuel Mancilla Sánchez (63), Bishop of Texcoco (Mexico) |
 Archbishop Anthony Mancini (67), Metropolitan Archbishop of Halifax–Yarmouth (Canada) |
 Bishop Petrus Canisius Mandagi, M.S.C. (64), Bishop of Amboina (Indonesia) |
| Bishop Ernesto Mandara (60), Bishop of Sabina–Poggio Mirteto (Italy) |
 Bishop Laurent Akran Mandjo (72), Bishop of Yopougon (Cote d’Ivoire) |
  Bishop Paulo Mandlate, S.S.S. (79), Bishop emeritus of Tete (Mozambique) |
  Archbishop Nicholas Mang Thang (69), Coadjutor Archbishop of Mandalay (Myanmar), Apostolic Administrator of Hakha (Myanmar), Bishop emeritus of Hakha (Myanmar) |
 Bishop Jose Ricare Manguiran (76), Bishop of Dipolog (Philippines) |
 Archbishop Giuseppe Mani (76), Metropolitan Archbishop emeritus of Cagliari (Italy) |
| Bishop Claudio Maniago (54), Titular Bishop of Satafi, Auxiliary Bishop of Firenze (Italy) |
| Bishop Raphy Manjaly (55), Bishop of Varanasi (India) |
| Bishop Wilfredo D. Manlapaz (72), Bishop of Tagum (Philippines) |
| Bishop Elias James Manning, O.F.M. Conv. (75), Bishop of Valença (Brazil) |
 Bishop Kevin Michael Manning (79), Bishop emeritus of Parramatta (Australia), Apostolic Administrator emeritus of Wilcannia–Forbes (Australia) |
 Archbishop Henry Joseph Mansell (75), Metropolitan Archbishop of Hartford (United States) |
| Bishop Gregory John Mansour (57), Bishop of Saint Maron of Brooklyn of the Maronites (United States) |
 Bishop Gabriel Akwasi Abiabo Mante (65), Bishop of Jasikan (Ghana) |
| Bishop John Raymond Manz (67), Titular Bishop of Mulia, Auxiliary Bishop of Chicago (United States) |
| Bishop Mariano Manzana (65), Bishop of Mossoró (Brazil) |
| Bishop Vincenzo Manzella (70), Bishop of Cefalù (Italy) |
 Bishop Emmanuel A. Mapunda (77), Bishop emeritus of Mbinga (Tanzania) |
 Bishop Mikha Pola Maqdassi (64), Bishop of Alquoch of the Chaldeans (Iraq) |
 Bishop Michael Marai (65), Bishop emeritus of Goroka (Papua New Guinea) |
| Bishop Andrew Marak (63), Bishop of Tura (India) |
| Bishop Julius Marandi (58), Bishop of Dumka (India) |
 Archbishop Boutros Marayati (65), Archbishop of Aleppe of the Armenians (Syria), Apostolic Administrator of Kamichlié of the Armenians (Syria) |
 Bishop André Marceau (66), Bishop of Perpignan–Elne (France) |
| Bishop Didier-Léon Marchand (87), Bishop emeritus of Valence (France) |
| Bishop Gabriele Marchesi (59), Bishop of Floresta (Brazil) |
| Archbishop Pedro Antônio Marchetti Fedalto (86), Metropolitan Archbishop emeritus of Curitiba (Brazil) |
| Archbishop Agostino Marchetto (72), Titular Archbishop of Écija, Secretary emeritus of Pontifical Council for the Pastoral Care of Migrants and Itinerant People |
| Bishop Bernardino Marchió (69), Bishop of Caruaru (Brazil) |
| Bishop Celso Antônio Marchiori (54), Bishop of Apucarana (Brazil) |
| Bishop João Oneres Marchiori (80), Bishop emeritus of Lages (Brazil) |
 Cardinal Francesco Marchisano (83), Cardinal-Deacon of S. Lucia del Gonfalone, President emeritus of Labour Office of the Apostolic See, President emeritus of Permanent Commission for the Protection of Historical and Artistic Monuments of the Holy See |
| Bishop Mosè Marcia (69), Bishop of Nuoro (Italy) |
| Archbishop Santo Marcianò (53), Archbishop of Rossano–Cariati (Italy) |
| Bishop Giuseppe Marciante (61), Titular Bishop of Thagora, Auxiliary Bishop of the Vicariate of Rome of Roma (Italy) |
 Bishop Roman Adam Marcinkowski (71), Titular Bishop of Bulla regia, Auxiliary Bishop of Płock (Poland) |
 Bishop Dominic Anthony Marconi (86), Titular Bishop of Bure, Auxiliary Bishop emeritus of Newark (United States) |
| Archbishop Émile Marcus, P.S.S. (82), Metropolitan Archbishop emeritus of Toulouse (France) |
 Bishop Giacinto-Boulos Marcuzzo (68), Titular Bishop of Emmaüs, Auxiliary Bishop of Jerusalem (Palestine) |
 Archbishop Gyula Márfi (69), Metropolitan Archbishop of Veszprém (Hungary) |
| Bishop Devadass Ambrose Mariadoss (65), Bishop of Tanjore (India) |
 Archbishop Maurice Rigobert Marie-Sainte (85), Metropolitan Archbishop emeritus of Saint-Pierre et Fort-de-France (Martinique) |
 Archbishop Iván Antonio Marín López (74), Metropolitan Archbishop of Popayán (Colombia), Apostolic Administrator of Guapi (Colombia) |
| Archbishop Francesco Marinelli (77), Archbishop emeritus of Urbino–Urbania–Sant’Angelo in Vado (Italy) |
| Archbishop Piero Marini (71), Titular Archbishop of Martirano, President of Pontifical Committee for International Eucharistic Congresses |
 Bishop Antonio Marino (71), Bishop of Mar del Plata (Argentina) |
| Bishop Francesco Marino (57), Bishop of Avellino (Italy) |
| Archbishop Joseph Salvador Marino (60), Titular Archbishop of Natchitoches, Apostolic Nuncio to Malaysia, Apostolic Nuncio to Timor-Leste, Apostolic Delegate to Brunei |
 Bishop Domenico Crescentino Marinozzi, O.F.M. Cap. (86), Titular Bishop of Iucundiana, Vicar Apostolic emeritus of Soddo–Hosanna (Ethiopia) |
| Bishop Livio Maritano (87), Bishop emeritus of Acqui (Italy) |
| Bishop Antônio Agostinho Marochi (87), Bishop emeritus of Presidente Prudente (Brazil) |
 Archbishop François-Xavier Maroy Rusengo (56), Metropolitan Archbishop of Bukavu (Congo-Kinshasa) |
 Bishop Estanislau Marques Chindekasse, S.V.D. (54), Bishop of Dundo (Angola) |
| Bishop Emilio Z. Marquez (71), Bishop of Lucena (Philippines) |
| Bishop Mário Marquez, O.F.M. Cap. (60), Bishop of Joaçaba (Brazil) |
 Bishop Luis Alfonso Márquez Molina, C.I.M. (76), Titular Bishop of Turris rotunda, Auxiliary Bishop of Mérida (Venezuela) |
| Archbishop Giovanni Marra (82), Metropolitan Archbishop emeritus of Messina–Lipari–Santa Lucia del Mela (Italy), Apostolic Administrator emeritus of Orvieto–Todi (Italy) |
| Bishop Luigi Marrucci (68), Bishop of Civitavecchia–Tarquinia (Italy) |
| Bishop Luigi Martella (65), Bishop of Molfetta–Ruvo–Giovinazzo–Terlizzi (Italy) |
 Archbishop Diarmuid Martin (68), Metropolitan Archbishop of Dublin (Ireland) |
 Archbishop Eamon Martin (51), Coadjutor Archbishop of Armagh (United Kingdom) |
| Bishop Eduardo Eliseo Martín (59), Bishop of Río Cuarto (Argentina) |
 Bishop Osmond Peter Martin (82), Bishop emeritus of Belize City–Belmopan (Belize) |
| Bishop Raúl Martín (55), Titular Bishop of Troina, Auxiliary Bishop of Buenos Aires (Argentina) |
 Bishop Juan Luis Martin Buisson, P.M.E. (79), Titular Bishop of Aquæ in Numidia, Vicar Apostolic emeritus of Pucallpa (Peru) |
| Bishop Armando Martín Gutiérrez, F.A.M. (58), Bishop of Bacabal (Brazil) |
| Archbishop José Guadalupe Martín Rábago (77), Metropolitan Archbishop emeritus of León (Mexico) |
 Bishop Giovanni Innocenzo Martinelli, O.F.M. (71), Vicar Apostolic of Tripoli (Libya), Titular Bishop of Tabuda |
| Bishop Raffaello Martinelli (64), Bishop of Frascati (Italy) |
| Bishop Juan Rubén Martínez (60), Bishop of Posadas (Argentina) |
| Bishop Pedro Daniel Martínez (47), Bishop of San Luis (Argentina) |
| Bishop Segismundo Martínez Álvarez, S.D.B. (70), Bishop of Corumbá (Brazil) |
 Bishop Juan Antonio Martínez Camino, S.J. (60), Titular Bishop of Bigastro, Auxiliary Bishop of Madrid (Spain) |
| Archbishop Fabio Martínez Castilla (62), Metropolitan Archbishop of Tuxtla Gutiérrez (Mexico) |
 Archbishop Victor Hugo Martínez Contreras (83), Metropolitan Archbishop emeritus of Los Altos, Quetzaltenango–Totonicapán (Guatemala) |
| Archbishop Francisco Javier Martínez Fernández (65), Metropolitan Archbishop of Granada (Spain) |
 Bishop Adalberto Martínez Flores (61), Military Ordinary of Paraguay (Paraguay) |
| Bishop Juan Odilón Martínez García (64), Bishop of Atlacomulco (Mexico) |
| Bishop Lucas Martínez Lara (70), Bishop of Matehuala (Mexico) |
| Bishop José Carmelo Martínez Lázaro, O.A.R. (58), Bishop of Cajamarca (Peru) |
| Bishop Maximino Martínez Miranda (61), Bishop of Ciudad Altamirano (Mexico) |
| Bishop Raúl Antonio Martínez Paredes (69), Titular Bishop of Mizigi, Auxiliary Bishop of Guatemala (Guatemala), Bishop emeritus of Sololá–Chimaltenango (Guatemala) |
| Bishop Salvador Martínez Pérez (80), Bishop emeritus of Huejutla (Mexico) |
| Bishop Nelson Antonio Martínez Rust (68), Bishop of San Felipe (Venezuela) |
| Bishop Gregorio Martínez Sacristán (66), Bishop of Zamora (Spain) |
| Bishop Rafael Francisco Martínez Sáinz (77), Titular Bishop of Dura, Auxiliary Bishop emeritus of Guadalajara (Mexico) |
 Cardinal Lluís Martínez Sistach (76), Cardinal-Priest of S. Sebastiano alle Catacombe, Metropolitan Archbishop of Barcelona (Spain) |
| Cardinal Eduardo Martínez Somalo (86), Cardinal-Priest of SS. Nome di Gesù pro hac vice Title, Chamberlain of the Holy Roman Church emeritus of Apostolic Camera |
| Bishop José de Jesús Martínez Zepeda (71), Bishop of Irapuato (Mexico) |
| Bishop Baldomero Carlos Martini (73), Bishop of San Justo (Argentina) |
| Bishop Joseph Francis Martino (67), Bishop emeritus of Scranton (United States) |
