| Living Prelates (Total 5653) * |
  Bishop Adriano Ciocca Vasino (76), Bishop-Prelate emeritus of São Félix (Brazil) |
  Bishop Fabio Ciollaro (64), Bishop of Cerignola–Ascoli Satriano (Italy) |
| Bishop Luiz Antônio Cipolini (63), Bishop of Marília (Brazil) |
| Bishop Pedro Carlos Cipolini (73), Bishop of Santo André (Brazil) |
| Bishop Claudio Cipolla (70), Bishop of Padova (Italy) |
 Archbishop Emidio Cipollone (65), Archbishop of Lanciano–Ortona (Italy) |
  Cardinal Juan Luis Cipriani Thorne, Opus Dei (81), Cardinal-Priest of S. Camillo de Lellis and Metropolitan Archbishop emeritus of Lima (Peru) |
| Bishop Giacomo Cirulli (73), Bishop of Sessa Aurunca (Italy), Bishop of Alife–Caiazzo (Italy) and Bishop of Teano–Calvi (Italy) |
  Bishop Mieczysław Cisło (80), Titular Bishop of Auca and Auxiliary Bishop emeritus of Lublin (Poland) |
 Bishop Octavio Cisneros (80), Titular Bishop of Eanach Dúin and Auxiliary Bishop emeritus of Brooklyn (USA) |
| Bishop Emiliano Antonio Cisneros Martínez, O.A.R. (80), Bishop emeritus of Chachapoyas (Peru) |
 Archbishop Robert Cissé (57), Metropolitan Archbishop of Bamako (Mali) |
 Bishop Osório Cîtora Afonso, I.M.C. (53), Bishop of Quelimane (Mozambique) and General Secretary of Episcopal Conference of Mozambique |
| Bishop Jesús María Cizaurre Berdonces, O.A.R. (73), Bishop emeritus of Bragança do Pará (Brazil) |
| Bishop Edward William Clark (79), Titular Bishop of Gardar and Auxiliary Bishop emeritus of Los Angeles (USA) |
| Archbishop Severino Clasen, O.F.M. (71), Metropolitan Archbishop of Maringá (Brazil) |
 Bishop Francisco Clavel Gil (90), Titular Bishop of Macomades and Auxiliary Bishop emeritus of México (Mexico) |
 Bishop José Crispiano Clavijo Méndez (74), Bishop of Sincelejo (Colombia) |
 Bishop Josef Clemens (78), Titular Bishop of Segermes and Secretary emeritus of Pontifical Council for the Laity |
  Archbishop Dermot Clifford (86), Metropolitan Archbishop emeritus of Cashel (Ireland) |
| Archbishop Paul Stagg Coakley (70), Metropolitan Archbishop of Oklahoma City (USA) and President of United States Conference of Catholic Bishops |
 Bishop Rafael Cob García (74), Vicar Apostolic of Puyo (Ecuador) and Titular Bishop of Cerbali |
| Bishop Segundo René Coba Galarza (68), Bishop of Ibarra (Ecuador) |
  Cardinal José Cobo Cano (60), Cardinal-Priest of S. Maria in Monserrato degli Spagnoli, Metropolitan Archbishop of Madrid (Spain), Ordinary of Spain of the Eastern Rite (Spain) and Vice-President of Episcopal Conference of Spain |
| Archbishop Piero Coccia (80), Metropolitan Archbishop emeritus of Pesaro (Italy) |
| Cardinal Francesco Coccopalmerio (87), Cardinal-Priest of S. Giuseppe dei Falegnami pro hac vice Title and President emeritus of Pontifical Council for Legislative Texts |
| Bishop Robert Milner Coerver (71), Bishop of Lubbock (USA) |
 Bishop Joseph Lawrence Coffey (65), Titular Bishop of Arsacal and Auxiliary Bishop of the Military Ordinariate of United States of America (USA) |
| Bishop Gerardo Joseph Colacicco (70), Titular Bishop of Erdonia and Auxiliary Bishop of New York (USA) |
| Archbishop Biagio Colaianni (68), Metropolitan Archbishop of Campobasso–Boiano (Italy) |
 Archbishop Mark Benedict Coleridge (77), Metropolitan Archbishop emeritus of Brisbane (Australia) |
| Bishop Diego Coletti (84), Bishop emeritus of Como (Italy) |
| Bishop Arthur Joseph Colgan, C.S.C. (79), Titular Bishop of Ampora and Auxiliary Bishop emeritus of Chosica (Peru) |
 Bishop Gérard Coliche (85), Titular Bishop of Alet and Auxiliary Bishop emeritus of Lille (France) |
| Bishop Florencio Armando Colín Cruz (75), Bishop of Puerto Escondido (Mexico) |
 Bishop Fabio Reynaldo Colindres Abarca (64), Bishop of San Miguel (El Salvador) |
| Bishop Niall Coll (62), Bishop of Raphoe (Ireland) |
 Archbishop Blasco Francisco Collaço (94), Titular Archbishop of Octava |
 Bishop Pedro Collar Noguera (62), Bishop of Ciudad del Este (Paraguay) |
 Bishop Luis Armando Collazuol (77), Bishop emeritus of Concordia (Argentina) |
 Bishop Carlos María Collazzi Irazábal, S.D.B. (78), Bishop emeritus of Mercedes (Uruguay) |
 Bishop Frederick Joseph Colli (76), Bishop emeritus of Thunder Bay (Canada) |
 Bishop Peter Gwilym Collins (67), Bishop of East Anglia (England) |
| Cardinal Thomas Christopher Collins (78), Cardinal-Priest of S. Patrizio and Metropolitan Archbishop emeritus of Toronto (Canada) |
| Bishop Georges Colomb, M.E.P. (72), Bishop of La Rochelle (France) |
| Archbishop Marcelo Daniel Colombo (64), Metropolitan Archbishop of Mendoza (Argentina) and President of Episcopal Conference of Argentina |
| Bishop Sérgio Aparecido Colombo (71), Bishop of Bragança Paulista (Brazil) |
| Cardinal Angelo Comastri (82), Cardinal-Priest of S. Salvatore in Lauro pro hac vice Title, Archbishop-Prelate emeritus of Loreto (Italy), President emeritus of Fabric of Saint Peter, Archpriest emeritus of Papal Basilica of Saint Peter and Vicar General for the Vatican City State emeritus of Roma (Italy) |
| Archbishop Peter Andrew Comensoli (61), Metropolitan Archbishop of Melbourne (Australia) |
| Archbishop Luigi Roberto Cona (60), Titular Archbishop of Sala Consilina, Apostolic Nuncio to El Salvador and Extra-Regional Observer to Central American Integration System (SICA) |
| Archbishop Vincent Michael Concessao (89), Metropolitan Archbishop emeritus of Delhi (India) |
 Bishop Jorge Enrique Concha Cayuqueo, O.F.M. (67), Bishop of Temuco (Chile) |
| Bishop Benigno Condori Chuchi, O.F.M. (54), Bishop-Prelate of Ayaviri (Peru) |
| Bishop José Vicente Conejero Gallego (74), Bishop of Formosa (Argentina) |
| Bishop Francisco Simón Conesa Ferrer (64), Bishop of Solsona (Spain) |
| Bishop James Douglas Conley (70), Bishop of Lincoln (USA) |
| Bishop Robert Daniel Conlon (77), Bishop emeritus of Joliet (USA) |
| Bishop Paul Connell (67), Bishop of Ardagh (Ireland) |
| Bishop Peter Joseph Connors (88), Bishop emeritus of Ballarat (Australia) |
| Bishop Kieran Thomas Conry (75), Bishop emeritus of Arundel and Brighton (England) |
| Bishop Pedro José Conti (76), Bishop emeritus of Macapá (Brazil) |
| Bishop Miguel Ángel Contreras Llajaruna, S.M. (46), Titular Bishop of Babra and Auxiliary Bishop of Callao (Peru) |
| Bishop Cristián Enrique Contreras Molina, O. de M. (79), Bishop emeritus of San Felipe (Chile) |
| Bishop Cristián Contreras Villarroel (66), Bishop of Melipilla (Chile) |
 Bishop Romeo Duetao Convocar (55), Bishop of Chalan Kanoa (Northern Mariana Islands) |
| Bishop Christopher Randall Cooke (52), Titular Bishop of Malliana and Auxiliary Bishop of Philadelphia (USA) |
| Bishop Eugene Jerome Cooney (93), Bishop emeritus of Nelson (Canada) |
| Archbishop Franco Coppola (68), Titular Archbishop of Vinda, Apostolic Nuncio to Luxembourg and Apostolic Nuncio to Belgium |
| Bishop Livio Corazza (72), Bishop of Forlì–Bertinoro (Italy) |
| Bishop Vital Corbellini (66), Bishop of Marabá (Brazil) |
  Fr. Anthony James Corcoran, S.J. (62), Apostolic Administrator of Kyrgyzstan (Kyrgyzstan) |
| Bishop Rosalvo Cordeiro de Lima (63), Bishop of Itapipoca (Brazil) |
| Archbishop Salvatore Joseph Cordileone (69), Metropolitan Archbishop of San Francisco (USA) |
| Bishop Juan Vicente Córdoba Villota, S.J. (74), Bishop of Fontibón (Colombia) |
| Bishop Domenico Cornacchia (75), Bishop of Molfetta–Ruvo–Giovinazzo–Terlizzi (Italy) |
| Bishop Guillermo Antonio Cornejo Monzón (61), Titular Bishop of Decoriana and Auxiliary Bishop of Lima (Peru) |
| Archbishop Leo Cornelio, S.V.D. (80), Metropolitan Archbishop emeritus of Bhopal (India) |
 Bishop Ronald Gerhardus Wilhelmus Cornelissen (61), Bishop of Groningen–Leeuwarden (Netherlands) |
 Bishop Julio César Corniel Amaro (67), Bishop of Puerto Plata (Dominican Republic) |
 Bishop Álvaro Corrada Del Río, S.J. (83), Bishop emeritus of Mayagüez (Puerto Rico) |
| Bishop Victor Alejandro Corral Mantilla (89), Bishop emeritus of Riobamba (Ecuador) |
| Bishop José Luis Corral Peláez, S.V.D. (57), Bishop of Añatuya (Argentina) |
| Archbishop Orlando Antonio Corrales García (78), Metropolitan Archbishop emeritus of Santa Fe de Antioquia (Colombia) |
| Bishop Carlos Alberto Correa Martínez (57), Bishop of Apartadó (Colombia) |
| Bishop Rigoberto Corredor Bermúdez (77), Bishop emeritus of Pereira (Colombia) |
| Bishop John Dennis Corriveau, O.F.M. Cap. (84), Bishop emeritus of Nelson (Canada) |
| Bishop Louis Corriveau (61), Bishop of Joliette (Canada) |
 Bishop Raúl Corriveau, P.M.E. (95), Bishop emeritus of Choluteca (Honduras) |
 Bishop Glenn Montebon Corsiga (60), Bishop of Ipil (Philippines) |
| Bishop Julito Buhisan Cortes (69), Bishop of Dumaguete (Philippines) |
| Archbishop Alfonso Cortés Contreras (78), Metropolitan Archbishop emeritus of León (Mexico) |
| Bishop Agustín Cortés Soriano (78), Bishop emeritus of Sant Feliu de Llobregat (Spain) |
| Bishop Bernardino Cruz Cortez (76), Bishop-Prelate emeritus of Infanta (Philippines) |
| Bishop Marco Antonio Cortez Lara (68), Bishop of Tacna y Moquegua (Peru) |
 Bishop Anton Coşa (64), Bishop of Chişinău (Moldova) |
| Cardinal Paulo Cezar Costa (58), Cardinal-Priest of Ss. Bonifacio ed Alessio and Metropolitan Archbishop of Brasília (Brazil) |
| Bishop Vicente Costa (78), Bishop emeritus of Jundiaí (Brazil) |
| Bishop Roque Costa Souza (59), Titular Bishop of Castellum medianum and Auxiliary Bishop of São Sebastião do Rio de Janeiro (Brazil) |
| Archbishop Timothy John Costelloe, S.D.B. (71), Metropolitan Archbishop of Perth (Australia) and President of Australian Catholic Bishops Conference |
| Bishop Francisco Cota de Oliveira (56), Bishop of Sete Lagoas (Brazil) |
