| Living Prelates (Total 5642) * |
  Archbishop Luis Gonzaga Silva Pepeu, O.F.M. Cap. (67), Metropolitan Archbishop emeritus of Vitória da Conquista (Brazil) |
  Bishop Santiago Jaime Silva Retamales (69), Bishop of Valdivia (Chile) |
  Bishop Alberto Silvani (78), Bishop emeritus of Volterra (Italy) |
  Bishop Antony Silvanos Kakkanatt (63), Titular Bishop of Barcusus, Bishop of Curia of the Syro-Malankara and Apostolic Visitator in Oceania of the Syro-Malankara |
| Bishop Messias dos Reis Silveira (66), Bishop of Teófilo Otoni (Brazil) |
 Bishop Claudio Silvero Acosta, S.C.I. (89), Titular Bishop of Curubis and Auxiliary Bishop emeritus of Encarnación (Paraguay) |
 Bishop Noël Simard (77), Bishop emeritus of Valleyfield (Canada) |
| Bishop Paul Simick (61), Bishop of Bagdogra (India) |
 Bishop Ángel Francisco Simón Piorno (79), Bishop emeritus of Chimbote (Peru) |
  Cardinal Ernest Simoni (96), Cardinal-Deacon of S. Maria della Scala |
 Bishop Pius Sin Ho-zol (신호철 비오 / 辛昊喆) (56), Titular Bishop of Belesasa and Auxiliary Bishop of Busan 부산 (South Korea) |
 Bishop Fransiskus Tuaman Sinaga (52), Bishop of Sibolga (Indonesia) |
 Bishop Edouard Sinayobye (58), Bishop of Cyangugu (Rwanda) |
| Bishop Niranjan Sual Singh (63), Bishop of Sambalpur (India) |
 Bishop Paul Tawat Singsa (58), Bishop of Nakhon Sawan (Thailand) |
 Bishop Susitino Sionepoe, S.M. (60), Bishop of Wallis et Futuna (Wallis and Futuna) |
 Bishop Napoleon Balili Sipalay Jr., O.P. (54), Bishop of Alaminos (Philippines) |
 Archbishop Kornelius Sipayung, O.F.M. Cap. (54), Metropolitan Archbishop of Medan (Indonesia) |
 Bishop Teemu Jyrki Juhani Sippo, S.C.I. (77), Bishop emeritus of Helsinki (Finland) |
 Bishop Sithembele Anton Sipuka (64), Bishop of Mthatha (South Africa) |
| Bishop Silvio Siripong Charatsri (65), Bishop of Ratchaburi (Thailand) |
| Bishop Joseph Chusak Sirisut (68), Bishop of Nakhon Ratchasima (Thailand) and President of Catholic Bishops’ Conference of Thailand |
 Bishop Saad Sirop (52), Titular Bishop of Hirta and Apostolic Visitator in Europe of the Chaldeans |
| Archbishop Francesco Sirufo (64), Archbishop of Acerenza (Italy) |
 Bishop Michael James Sis (64), Bishop of San Angelo (USA) |
 Bishop Wojciech Skibicki (54), Titular Bishop of Casæ nigræ and Auxiliary Bishop of Elbląg (Poland) |
 Bishop Vitaliy Skomarovskyi (61), Bishop of Lutsk (Ukraine) and President of Episcopal Conference of Ukraine |
 Bishop Piotr Skucha (78), Titular Bishop of Segisama and Auxiliary Bishop emeritus of Sosnowiec (Poland) |
| Archbishop William Charles Skurla (68), Metropolitan of Pittsburgh of the Ruthenians (USA) and President of Council of the Ruthenian Church of USA |
 Bishop Antun Škvorčević (77), Bishop emeritus of Požega (Croatia) |
| Archbishop Wiktor Paweł Skworc (76), Metropolitan Archbishop emeritus of Katowice (Poland) |
| Bishop William Stephen Skylstad (90), Bishop emeritus of Spokane (USA) |
 Bishop José Słaby, C.SS.R. (66), Bishop-Prelate of Esquel (Argentina) |
 Bishop Elias Khoury Slaiman (73), President of Patriarchal Appeals Tribunal of the Maronites and Bishop emeritus of Latakia of the Maronites (Syria) |
| Archbishop William Matthew Slattery, O.F.M. (81), Metropolitan Archbishop emeritus of Pretoria (South Africa) and Archbishop Military Ordinary emeritus of South African Defence Force (South Africa) |
| Archbishop Jean Benjamin Sleiman, O.C.D. (78), Archbishop of Baghdad (Iraq) |
| Archbishop Wiesław Śmigiel (56), Metropolitan Archbishop of Szczecin–Kamień (Poland) |
 Archbishop Adrian Thomas Smith, S.M. (84), Metropolitan Archbishop emeritus of Honiara (Solomon Islands) |
 Bishop Michael Smith (84), Bishop emeritus of Meath (Ireland) |
| Bishop Peter Leslie Smith (66), Titular Bishop of Tubunæ in Mauretania and Auxiliary Bishop of Portland in Oregon (USA) |
| Archbishop Richard William Smith (65), Metropolitan Archbishop of Edmonton (Canada) |
| Bishop Michael Smolinski (Михайло Смолінський), C.SS.R. (52), Bishop of Saskatoon of the Ukrainians (Canada) |
| Bishop José Soares Filho, O.F.M. Cap. (68), Bishop emeritus of Carolina (Brazil) |
| Bishop Manoel de Oliveira Soares Filho (59), Bishop of Palmeira dos Índios (Brazil) |
| Bishop Edilson Soares Nobre (59), Bishop of Oeiras (Brazil) |
| Archbishop Luiz Soares Vieira (87), Metropolitan Archbishop emeritus of Manaus (Brazil) |
| Bishop Jan Sobiło (62), Titular Bishop of Bulna and Auxiliary Bishop of Kharkiv–Zaporizhia (Ukraine) |
| Bishop Paweł Socha, C.M. (89), Titular Bishop of Thunigaba and Auxiliary Bishop emeritus of Zielona Góra–Gorzów (Poland) |
| Bishop Francesco Antonio Soddu (65), Bishop of Terni–Narni–Amelia (Italy) |
 Bishop Yousaf Sohan (66), Bishop of Multan (Pakistan) |
 Archbishop Ján Sokol (91), Archbishop emeritus of Trnava (Slovakia) |
| Bishop Marek Solarczyk (57), Bishop of Radom (Poland) |
 Archbishop Tito Solari Capellari, S.D.B. (85), Metropolitan Archbishop emeritus of Cochabamba (Bolivia) |
| Archbishop Marek Solczyński (63), Titular Archbishop of Cesarea in Mauretania, Apostolic Nuncio to Turkmenistan, Apostolic Nuncio to Azerbaigian and Apostolic Nuncio to Turkiye |
 Bishop Luis Felipe Solé Fa, C.M. (78), Bishop emeritus of Trujillo (Honduras) |
 Bishop José Soleibe Arbeláez (86), Bishop emeritus of Caldas (Colombia) |
| Bishop Vitus Rubianto Solichin, S.X. (56), Bishop of Padang (Indonesia) |
| Bishop Oscar Azarcon Solis (71), Bishop of Salt Lake City (USA) |
| Bishop Enrico Solmi (68), Bishop of Parma (Italy) |
 Bishop Jorge Solórzano Pérez (63), Bishop of Granada (Nicaragua) and General Secretary of Episcopal Conference of Nicaragua |
| Bishop Timoteo Solórzano Rojas, M.S.C. (55), Bishop of Tarma (Peru) |
 Bishop Jean-Baptiste Kpiéle Somé (94), Bishop emeritus of Diébougou (Burkina Faso) |
| Archbishop Waldemar Stanisław Sommertag (56), Titular Archbishop of Maastricht, Apostolic Nuncio to Senegal, Apostolic Nuncio to Mauritania, Apostolic Nuncio to Guinea-Bissau and Apostolic Nuncio to Cape Verde |
| Bishop Benedictus Son Hee-song (손희송 베네딕토 / 孫凞松) (67), Bishop of Uijeongbu 의정부 (South Korea) |
| Bishop Joseph Son Sam-seok (손삼석 요셉 / 孫參瑞) (69), Bishop of Busan 부산 (South Korea) |
| Archbishop Maria Callist Soosa Pakiam (78), Metropolitan Archbishop emeritus of Trivandrum (India) |
| Bishop Nazarene Soosai (61), Bishop of Kottar (India) |
| Bishop Joseph Soosainathan (60), Titular Bishop of Castra Galbæ and Auxiliary Bishop of Bangalore (India) |
| Archbishop Orazio Soricelli (72), Archbishop of Amalfi–Cava de’ Tirreni (Italy) |
| Bishop Bawai Soro (70), Bishop emeritus of Mar Addai of Toronto of the Chaldeans (Canada) |
| Archbishop Stefan Soroka (73), Metropolitan Archbishop emeritus of Philadelphia of the Ukrainians (USA) |
| Archbishop Domenico Sorrentino (76), Bishop of Foligno (Italy) and Archbishop-Bishop of Assisi–Nocera Umbra–Gualdo Tadino (Italy) |
 Bishop Reinaldo Sorto Martínez (63), Military Ordinary of El Salvador (El Salvador) |
 Bishop Dagoberto Sosa Arriaga (69), Bishop of Tlapa (Mexico) |
| Archbishop Fermín Emilio Sosa Rodríguez (56), Titular Archbishop of Virunum and Apostolic Nuncio to Bolivia |
| Bishop Jaime Soto (69), Bishop of Sacramento (USA) |
 Bishop Georges Pierre Soubrier, P.S.S. (91), Bishop emeritus of Nantes (France) |
| Bishop Nicolas Jean-Marie Souchu (66), Bishop of Aire et Dax (France) |
| Archbishop Youssef Antoine Soueif (62), Archbishop of Tripoli of the Maronites (Lebanon) and Apostolic Visitator in Greece of the Maronites |
 Bishop Andrew Souksavath Nouane Asa (52), Vicar Apostolic of Pakse (Laos) and General Secretary of Episcopal Conference of Laos and Cambodia |
  Cardinal Berhaneyesus Demerew Souraphiel, C.M. (76), Cardinal-Priest of S. Romano Martire, Metropolitan of Addis Abeba of the Ethiopics (Ethiopia), President of Interritual Episcopal Conference of Ethiopia and President of Council of the Ethiopian Church |
| Archbishop Juarez Sousa da Silva (63), Metropolitan Archbishop of Teresina (Brazil) |
  Patriarch Rui Manuel Sousa Valério, S.M.M. (60), Patriarch of Lisboa (Portugal) |
| Bishop Ronilton Souza de Araújo, S.C.I. (57), Bishop of São Raimundo Nonato (Brazil) |
| Bishop Júlio César Souza de Jesus (53), Bishop of Floriano (Brazil) |
| Archbishop Antonio Sozzo (82), Titular Archbishop of Concordia |
| Bishop Mário Spaki (53), Bishop of Paranavaí (Brazil) |
| Bishop Joseph Mark Spalding (59), Bishop of Nashville (USA) |
 Bishop Antal Spányi (74), Bishop of Székesfehérvár (Hungary) |
| Archbishop Jean-Marie Speich (69), Titular Archbishop of Sulci, Apostolic Nuncio to Slovenia and Apostolic Delegate to Kosovo |
| Bishop Frank Richard Spencer (73), Titular Bishop of Auzia and Auxiliary Bishop of the Military Ordinariate of United States of America (USA) |
| Bishop Evaristo Pascoal Spengler, O.F.M. (65), Bishop of Roraima (Brazil) |
| Cardinal Jaime Spengler, O.F.M. (64), Cardinal-Priest of S. Gregorio Magno alla Magliana Nuova, Metropolitan Archbishop of Porto Alegre (Brazil), President of National Conference of Bishops of Brazil and President of Latin American Episcopal Council |
| Bishop Dennis Edward Spies (56), Titular Bishop of Cenculiana and Auxiliary Bishop of Joliet (USA) |
 Bishop Wiesław Śpiewak, C.R. (61), Bishop of Hamilton (Bermuda) |
| Archbishop Angelo Spina (70), Metropolitan Archbishop of Ancona–Osimo (Italy) |
| Bishop Angelo Spinillo (73), Bishop of Aversa (Italy) |
 Archbishop Joseph Spiteri (65), Titular Archbishop of Serta and Apostolic Nuncio to Mexico |
 Archbishop Yannis Spiteris, O.F.M. Cap. (84), Metropolitan Archbishop emeritus of Corfu–Zakynthos–Kefalonia (Greece) and former Apostolic Administrator of Thessaloniki (Greece) |
| Bishop Ambrogio Spreafico (74), Bishop of Anagni–Alatri (Italy) and Bishop of Frosinone–Veroli–Ferentino (Italy) |
