| Living Prelates (Total 5286) *
|
  Archbishop James Patrick Keleher (81), Metropolitan Archbishop emeritus of Kansas City (United States) |
  Bishop Brendan Kelly (66), Bishop of Achonry (Ireland) |
 Archbishop Patrick Altham Kelly (74), Metropolitan Archbishop emeritus of Liverpool (United Kingdom) |
  Bishop Gabriel Kembo Mamputu (77), Bishop emeritus of Matadi (Congo-Kinshasa) |
  Bishop Milton Kenan Júnior (49), Titular Bishop of Aquæ in Byzacena, Auxiliary Bishop of São Paulo (Brazil) |
| Bishop Arthur Leo Kennedy (71), Titular Bishop of Timidana, Auxiliary Bishop of Boston (United States) |
 Bishop Michael Robert Kennedy (44), Bishop of Armidale (Australia), Apostolic Administrator of Wilcannia–Forbes (Australia) |
| Bishop William Kenney, C.P. (66), Titular Bishop of Midica, Auxiliary Bishop of Birmingham (United Kingdom) |
 Bishop Szilárd Keresztes (80), Bishop emeritus of Hajdúdorog of the Hungarians (Hungary), Apostolic Administrator emeritus of Hajdúdorog of the Hungarians (Hungary) |
 Bishop Emmanuel Kerketta (61), Bishop of Jashpur (India) |
| Bishop Lucas Kerketta, S.V.D. (76), Bishop of Sambalpur (India) |
| Bishop Robert Kerketta, S.D.B. (80), Bishop emeritus of Tezpur (India) |
| Bishop Joseph Kesenge Wandangakongu (85), Bishop emeritus of Molegbe (Congo-Kinshasa) |
| Bishop Juventino Kestering (66), Bishop of Rondonópolis (Brazil) |
| Bishop Donald Joseph Kettler (68), Bishop of Fairbanks (United States) |
  Bishop Theodor Kettmann (74), Titular Bishop of Busiris, Auxiliary Bishop emeritus of Osnabrück (Germany) |
 Bishop Kęstutis Kėvalas (41), Titular Bishop of Abziri, Auxiliary Bishop of Kaunas (Lithuania) |
 Bishop Mounir Khairallah (60), Bishop of Batroun of the Maronites (Lebanon) |
  Archbishop Kévork Khazoumian (78), Coadjutor Archbishop of Istanbul of the Armenians (Turkey) |
 Bishop Sebastian Koto Khoarai, O.M.I. (83), Bishop of Mohale’s Hoek (Lesotho) |
 Bishop Joseph Khoury (76), Bishop emeritus of Saint-Maron de Montréal of the Maronites (Canada) |
| Bishop Tanios Khoury (82), Bishop emeritus of Saïdā of the Maronites (Lebanon) |
| Archbishop Maroun Khoury Sader (86), Archbishop emeritus of Tyr of the Maronites (Lebanon) |
 Archbishop Paul Mandla Khumalo, C.M.M. (66), Metropolitan Archbishop emeritus of Pretoria (South Africa), Military Ordinary emeritus of South African Defence Force (South Africa) |
 Archbishop Matthew Kia Yen-wen (賈彥文) (88), Metropolitan Archbishop emeritus of Taipei 臺北 (Taiwan) |
 Bishop Ambrose Kiapseni, M.S.C. (67), Bishop of Kavieng (Papua New Guinea) |
 Bishop Vicente Carlos Kiaziku, O.F.M. Cap. (55), Bishop of Mbanza Congo (Angola) |
| Bishop Gerald Frederick Kicanas (71), Bishop of Tucson (United States) |
 Bishop Justin Kientega (53), Bishop of Ouahigouya (Burkina Faso) |
 Bishop Zbigniew Kiernikowski (66), Bishop of Siedlce (Poland) |
 Bishop Peter Kihara Kariuki, I.M.C. (59), Bishop of Marsabit (Kenya) |
 Bishop Tarcisius Isao Kikuchi, S.V.D. (タルチシオ菊地功) (54), Bishop of Niigata 新潟 (Japan) |
 Bishop Method Kilaini (65), Titular Bishop of Strumnitza, Auxiliary Bishop of Bukoba (Tanzania) |
  Archbishop Hyginus Kim Hee-joong (김희중 히지노) (66), Metropolitan Archbishop of Gwangju 광주 (South Korea) |
| Bishop James Kim Ji-seok (김지석 야고보) (72), Bishop of Wonju 원주 (South Korea) |
| Bishop Augustinus Kim Jong-soo (김종수 아우구스티노) (57), Titular Bishop of Sufasar, Auxiliary Bishop of Daejeon 대전 (South Korea) |
| Bishop Paul Kim Tchang-ryeol (김창렬 바오로) (86), Bishop emeritus of Jeju 제주 (South Korea) |
| Bishop Luke Kim Woon-hoe (김운회 루가) (68), Bishop of Chuncheon 춘천 (South Korea), Apostolic Administrator of Hamhung 함흥 (North Korea) |
| Bishop Rogatus Kimaryo, C.S.Sp. (56), Bishop of Same (Tanzania) |
| Bishop Dominic Kimengich (52), Bishop of Lodwar (Kenya) |
| Bishop Dominique Kimpinde Amando (79), Bishop emeritus of Kalemie–Kirungu (Congo-Kinshasa) |
| Bishop John Francis Kinney (75), Bishop of Saint Cloud (United States) |
| Bishop Beatus Kinyaiya, O.F.M. Cap. (55), Bishop of Mbulu (Tanzania) |
| Bishop Alfred Kipkoech Arap Rotich (55), Military Ordinary of Kenya (Kenya) |
| Bishop John Kirby (74), Bishop of Clonfert (Ireland) |
| Bishop Wolfgang Kirchgässner (84), Titular Bishop of Druas, Auxiliary Bishop emeritus of Freiburg im Breisgau (Germany) |
| Bishop Wayne Kirkpatrick (55), Titular Bishop of Aradi, Auxiliary Bishop of Toronto (Canada) |
| Bishop Édouard Kisonga Ndinga, S.S.S. (67), Titular Bishop of Grumentum, Auxiliary Bishop of Kinshasa (Congo-Kinshasa) |
| Bishop László Kiss-Rigó (58), Bishop of Szeged–Csanád (Hungary) |
  Cardinal Michael Michai Kitbunchu (84), Cardinal-Priest of S. Lorenzo in Panisperna, Metropolitan Archbishop emeritus of Bangkok (Thailand) |
| Bishop Martin Kivuva Musonde (61), Bishop of Machakos (Kenya) |
 Archbishop Denis Kiwanuka Lote (75), Metropolitan Archbishop of Tororo (Uganda) |
| Bishop Joshuah Ignathios Kizhakkeveettil (62), Bishop of Mavelikkara of the Syro-Malankars (India) |
| Bishop Canísio Klaus (61), Bishop of Santa Cruz do Sul (Brazil) |
 Archbishop Samuel Kleda (54), Metropolitan Archbishop of Douala (Cameroon) |
| Bishop Alfred Kleinermeilert (85), Titular Bishop of Pausula, Auxiliary Bishop emeritus of Trier (Germany) |
 Bishop Cyryl Klimowicz (60), Bishop of Saint Joseph at Irkutsk (Russia), Apostolic Administrator of Yuzhno Sakhalinsk (Russia) |
| Bishop Rainer Klug (74), Titular Bishop of Ala miliaria, Auxiliary Bishop of Freiburg im Breisgau (Germany) |
| Bishop Edward Urban Kmiec (76), Bishop emeritus of Buffalo (United States) |
| Bishop Barry C. Knestout (50), Titular Bishop of Leavenworth, Auxiliary Bishop of Washington (United States) |
| Bishop John Stephen Knight (71), Titular Bishop of Taraqua, Auxiliary Bishop emeritus of Toronto (Canada) |
| Bishop Hans-Reinhard Koch (83), Titular Bishop of Mediana, Auxiliary Bishop emeritus of Erfurt (Germany) |
| Bishop Heiner Koch (58), Bishop of Dresden–Meißen (Germany) |
  Cardinal Kurt Koch (63), Cardinal-Deacon of Nostra Signora del Sacro Cuore, President of Pontifical Council for Promoting Christian Unity, President of Commission for Religious Relations with the Jews, Bishop emeritus of Basel (Switzerland) |
| Archbishop George Kocherry (68), Titular Archbishop of Othona, Apostolic Nuncio to Zimbabwe |
 Bishop Ján Eugen Kočiš (86), Titular Bishop of Abrittum, Auxiliary Exarch emeritus of Czech Republic of the Ruthenians (Czechia) |
 Bishop Jean Kockerols (54), Titular Bishop of Ieper, Auxiliary Bishop of Mechelen–Brussel (Belgium), Vice-President of Council of European Bishops’ Conferences |
| Bishop Peter Fülöp Kocsis (50), Bishop of Hajdúdorog of the Hungarians (Hungary) |
| Bishop Jacob Venance Koda (55), Bishop emeritus of Same (Tanzania) |
| Bishop James Kazuo Koda (ヤコブ幸田和生) (58), Titular Bishop of Sinnada in Mauretania, Auxiliary Bishop of Tokyo 東京 (Japan) |
  Fr. Joseph Koerber, C.S.Sp. (69), Prefect Apostolic of Makokou (Gabon) |
 Bishop Jean-Jacques Koffi Oi Koffi (51), Bishop of San Pedro-en-Côte-d’Ivoire (Cote d’Ivoire) |
| Bishop Jaime Pedro Kohl, P.S.D.P. (58), Bishop of Osório (Brazil) |
| Bishop Hans-Georg Koitz (78), Titular Bishop of Cantanus, Auxiliary Bishop emeritus of Hildesheim (Germany) |
| Bishop Dominic Kokkat, C.S.T. (81), Bishop emeritus of Gorakhpur of the Syro-Malabars (India) |
 Bishop Tomislav Koljatic Maroevic (57), Bishop of Linares (Chile) |
 Bishop Mychajlo Koltun, C.SS.R. (64), Bishop of Sokal–Zhovkva of the Ukrainians (Ukraine) |
 Bishop Franjo Komarica (67), Bishop of Banja Luka (Bosnia and Herzegovina), President of Episcopal Conference of Bosnia and Herzegovina |
| Bishop Abraham Kome (43), Bishop of Bafang (Cameroon) |
| Bishop Maurice Konan Kouassi (75), Bishop of Daloa (Cote d’Ivoire) |
 Archbishop Tadeusz Kondrusiewicz (67), Metropolitan Archbishop of Minsk–Mohilev (Belarus) |
| Bishop Antoine Koné (50), Bishop of Odienné (Cote d’Ivoire) |
| Bishop Matthias König (53), Titular Bishop of Elicroca, Auxiliary Bishop of Paderborn (Germany) |
| Bishop István Konkoly (83), Bishop emeritus of Szombathely (Hungary) |
| Bishop Joseph Thomas Konnath (60), Bishop of Bathery of the Syro-Malankars (India) |
| Bishop David Every Konstant (82), Bishop emeritus of Leeds (United Kingdom) |
| Bishop Prosper Kontiebo, M.I. (52), Bishop of Tenkodogo (Burkina Faso) |
| Bishop Jan Kopiec (65), Bishop of Gliwice (Poland) |
 Bishop Franciscus Kopong Kung (62), Bishop of Larantuka (Indonesia) |
 Cardinal Ján Chryzostom Korec, S.J. (89), Cardinal-Priest of Ss. Fabiano e Venanzio a Villa Fiorelli, Bishop emeritus of Nitra (Slovakia) |
| Bishop Paul Kenjiro Koriyama (パウロ郡山健次郎) (70), Bishop of Kagoshima 鹿児島 (Japan) |
 Bishop Patrick Daniel Koroma (62), Bishop of Kenema (Sierra Leone), President of Inter-territorial Catholic Bishops’ Conference of the Gambia and Sierra Leone / ITCABIC |
 Bishop Vlado Košić (53), Bishop of Sisak (Croatia) |
| Bishop Izidoro Kosinski, C.M. (81), Bishop emeritus of Três Lagoas (Brazil) |
 Archbishop Alois Kothgasser, S.D.B. (75), Metropolitan Archbishop of Salzburg (Austria) |
| Bishop Marcellin Yao Kouadio (53), Bishop of Yamoussoukro (Cote d’Ivoire) |
| Bishop Bruno Kouamé (85), Bishop emeritus of Abengourou (Cote d’Ivoire) |
| Bishop Volodemer Koubetch, O.S.B.M. (Valdomiro) (60), Bishop of São João Batista em Curitiba of the Ukrainians (Brazil) |
 Bishop Julien Mawule Kouto (66), Bishop emeritus of Atakpamé (Togo) |
| Archbishop Francis Xavier Kriengsak Kovithavanij (63), Metropolitan Archbishop of Bangkok (Thailand) |
