 Bishop Amerigo Cialente Born:1833.11.25 (Italy)Died:1907.02.22 († 73)Titular Bishop of Daulis (1895.03.18 – 1907.02.22)Auxiliary Bishop of L’Aquila (Italy) (1895.03.18 – 1907.02.22) |
 Bishop Jan Cieński Born:1905.01.07 (Pieniaki, Ukraine)Ordained Priest:1938.06.26Consecrated Bishop:1967.06.30 (clandestinely)Died:1992.12.26 (Zolochiv, Ukraine † 87)Priest of Lviv (Ukraine) (1938.06.26 – 1967.06.30) |
  Bishop Henryk Ciereszko (69) Titular Bishop of DicesAuxiliary Bishop of Białystok (Poland)In misericordia tua speraviBorn:1955.09.09 (Hermanówka, Poland)Ordained Priest:1981.06.14Consecrated Bishop:2012.12.15Priest of Białystok (Poland) (1981.06.14 – 2012.11.17)Titular Bishop of Dices (2012.11.17 – ...)Auxiliary Bishop of Białystok (Poland) (2012.11.17 – ...) |
 Bishop Paweł Cieślik (84) Titular Bishop of BretoñaAuxiliary Bishop emeritus of Koszalin–Kołobrzeg (Poland)Evangelizare misit me |
| Bishop Kryspin Cieszkowski Born:1730.10.25Ordained Priest:1758.04.12Consecrated Bishop:1773.04.18Died:1792? († 62)Titular Bishop of Nyssa (1772.12.14 – 1792?)Auxiliary Bishop of Lviv (Ukraine) (1772.12.14 – 1792?) |
| Bishop Giuseppe Cigliano Born:1854.02.25 (Napoli, Italy)Ordained Priest:1877.12.22Consecrated Bishop:1898.10.23Died:1906.08.20 († 52)Titular Bishop of Cyme (1898.09.24 – 1906.08.20)Auxiliary Bishop of Napoli (Italy) (1898.09.24 – 1906.08.20) |
| Archbishop Domenico Maria Cilluffo e Costa Born:1782.11.17 (Italy)Ordained Priest:1806.12.20Consecrated Bishop:1842.03Died:1873.05.14 († 90)Titular Archbishop of Adana (1842.01.27 – 1873.05.14) |
 Bishop Adrien André Maria Cimichella, O.S.M. Born:1921.02.21 (Italy)Ordained Priest:1945.05.26Consecrated Bishop:1964.07.16Died:2004.07.21 († 83)Auxiliary Bishop of Montréal (Canada) (1964.06.05 – 1996.04.25)Titular Bishop of Quiza (1964.06.05 – 2004.07.21) |
| Archbishop Serafino Cimino, O.F.M. |
| Bishop Carmine Cioffi Born:1692.07.18 (Italy)Ordained Priest:1725.06.24Died:1772.11.17 († 80)Titular Bishop of Antæopolis (1737.02.11 – 1772.11.17) |
| Archbishop Giovanni Cirino Born:1805.03.18Ordained Priest:1827.09.22Consecrated Bishop:1884.11.08Died:1896.05.12 († 91)Titular Bishop of Derbe (1869.11.22 – 1884.11.08)Auxiliary Bishop of Palermo (Italy) (1869.11.22 – 1884.11.08)Titular Archbishop of Ancyra (1884.11.08 – 1896.05.12) |
| Bishop Mieczysław Cisło (79) Titular Bishop of AucaAuxiliary Bishop emeritus of Lublin (Poland)Christus Pascha nostrumBorn:1945.08.12 (Niemirówek, Poland)Ordained Priest:1970.06.14Consecrated Bishop:1998.02.02Priest of Lublin (Poland) (1970.06.14 – 1997.12.13)Auxiliary Bishop of Lublin (Poland) (1997.12.13 – 2020.08.15)Titular Bishop of Auca (1997.12.13 – ...) |
 Bishop Octavio Cisneros (79) Titular Bishop of Eanach DúinAuxiliary Bishop emeritus of Brooklyn (USA)Born:1945.07.19 (La Habana, Cuba)Ordained Priest:1971.05.29Consecrated Bishop:2006.08.22Priest of Brooklyn (USA) (1971.05.29 – 2006.06.06)Prelate of Honour of His Holiness (1988.02.25 – 2006.06.06)Auxiliary Bishop of Brooklyn (USA) (2006.06.06 – 2020.10.30)Titular Bishop of Eanach Dúin (2006.06.06 – ...) |
 Bishop Francisco Cisneros y Mendoza Born:1644Consecrated Bishop:1703.11Died:1724 († 80)Titular Bishop of Margarita (1702.06.12 – 1724)Auxiliary Bishop of Lima (Peru) (1702.06.12 – 1724) |
 Bishop Osório Citora Afonso, I.M.C. (52) Titular Bishop of Putia in NumidiaAuxiliary Bishop of Maputo (Mozambique)Lucernia pedibus meis |
 Archbishop Angelus Maria Cittadini, O. Cart. Born:1582?Consecrated Bishop:1624.07.21Died:1629.12.10 († 46)Titular Archbishop of Myra (1624.07.15 – 1627.07.09)Coadjutor Bishop of Nachitschewan (Armenia) (1624.07.15 – 1627.07.09)Bishop of Nachitschewan (Armenia) (1627.07.09 – 1629.12.10) |
| Bishop Bernardo Citterio Born:1908.06.11 (Italy)Ordained Priest:1931.05.30Consecrated Bishop:1969.12.07Died:2002.11.13 († 94)Auxiliary Bishop of Milano (Italy) (1969.11.04 – 2000.12.30)Titular Bishop of Floriana (1969.11.04 – 2002.11.13) |
 Archbishop Luigi Ciurcia, O.F.M. Born:1818.12.08 (Italy)Ordained Priest:1841.12.20Consecrated Bishop:1854.03.19Died:1881.07.13 († 62)Bishop of Lezhë (Albania) (1853.09.27 – 1858.06.04)Titular Bishop of Delcus (1858.06.04 – 1859.02.06)Coadjutor Bishop of Shkodrë (Albania) (1858.06.04 – 1859.02.06)Bishop of Shkodrë (Albania) (1859.02.06 – 1866.07.27)Vicar Apostolic of Egypt (Egypt) (1866.07.27 – 1881.05.01)Titular Archbishop of Irenopolis (1866.07.27 – 1881.07.13)Apostolic Delegate to Egypt and Arabia (1866.07.27 – 1881.07.13) |
 Bishop Anton Felix Ciurletti Born:1696.02.26 (Italy)Ordained Priest:1719.01.29Consecrated Bishop:1744.10.11Died:1755.01.05 († 58)Titular Bishop of Teja (1744.09.07 – 1755.01.05)Auxiliary Bishop of Salzburg (Austria) (1744.09.07 – 1755.01.05) |
| Bishop Johann Paul Ciurletti Born:1580.03.25 (Italy)Consecrated Bishop:1617.04.04Died:1640 († 60)Titular Bishop of Byblus (1617.01.23 – 1640)Auxiliary Bishop of Salzburg (Austria) (1617.01.23 – 1640) |
 Bishop Giovanni Battista Civalli, O.F.M. Conv. Born:1551Consecrated Bishop:1608.08.10Died:1617.01.29 († 65)Titular Bishop of Nicopolis (1608.01.28 – 1617.01.29)Auxiliary Bishop of Olomouc (Czechia) (1608.01.28 – 1617.01.29) |
| Bishop Luigi Civardi Born:1886.05.18 (Italy)Ordained Priest:1911.04.17Consecrated Bishop:1962.09.23Died:1971.08.29 († 85)Titular Bishop of Thespiæ (1962.08.31 – 1971.08.29) |
| Bishop Armand Clabaut, O.M.I. Lux in tenebris lucetBorn:1900.08.20 (France)Ordained Priest:1926.07.04Consecrated Bishop:1937.08.21Died:1966.01.17 († 65)Coadjutor Vicar Apostolic of Baie d’Hudson (Canada) (1937.07.01 – 1940)Titular Bishop of Troas (1937.07.01 – 1966.01.17) |
 Bishop Anton Gottfried Claessen Born:1788.02.11?Ordained Priest:1812.03.14Consecrated Bishop:1845.01.19Died:1847.09.29 († 59)Titular Bishop of Gadaræ (1844.07.25 – 1847.09.29)Auxiliary Bishop of Köln (Germany) (1844.07.25 – 1847.09.29) |
 Archbishop Adam Carel Claessens Labor pro fideBorn:1818.06.18 (Netherlands)Ordained Priest:1842.12.17Consecrated Bishop:1875.02.02Died:1895.07.10 († 77)Titular Bishop of Traianopolis (1874.06.16 – 1884.01.04)Vicar Apostolic of Batavia (Indonesia) (1874.06.16 – 1893.05.23)Titular Archbishop of Siraces (1884.01.04 – 1895.07.10) |
| Bishop Johann Nikolaus Claessens Born:1582Died:1650.04.01 († 67)Titular Bishop of Akka (1622.08.08 – 1650.04.01)Auxiliary Bishop of Münster (Germany) (1622.08.08 – 1650.04.01) |
| Archbishop Emanuele Clarizio Clarescat igne caritas |
| Bishop Edward William Clark (77) Titular Bishop of GardarAuxiliary Bishop emeritus of Los Angeles (USA)The gift received give as a giftBorn:1946.11.30 (Minneapolis, MN, USA)Ordained Priest:1972.05.09Consecrated Bishop:2001.03.26Priest of Los Angeles (USA) (1972.05.09 – 2001.01.16)Prelate of Honour of His Holiness (1997.06.14 – 2001.01.16)Auxiliary Bishop of Los Angeles (USA) (2001.01.16 – 2022.02.15)Titular Bishop of Gardar (2001.01.16 – ...) |
 Bishop Miguel Claro Vásquez Born:1861.02.13 (Chile)Ordained Priest:1888.03.17Consecrated Bishop:1908.08.09Died:1921.05.21 († 60)Titular Bishop of Legio (1908.06.01 – 1921.05.21)Auxiliary Bishop of Santiago (Chile) (1908.06.01 – 1921.05.21) |
 Bishop Francisco Clavel Gil (88) Titular Bishop of MacomadesAuxiliary Bishop emeritus of México (Mexico)Born:1935.12.03 (Tlacotepec, Mexico)Ordained Priest:1959.06.29Consecrated Bishop:2001.08.15Priest of México (Mexico) (1959.06.29 – 2001.06.27)Auxiliary Bishop of México (Mexico) (2001.06.27 – 2013.05.28)Titular Bishop of Macomades (2001.06.27 – ...) |
 Bishop Joseph Francis Cleary Born:1912.09.04 (Ireland)Ordained Priest:1939.06.29Consecrated Bishop:1965.01.25Died:1991.02.24 († 78)Auxiliary Bishop of Birmingham (England) (1964.12.08 – 1987.09.05)Titular Bishop of Cresima (1964.12.08 – 1991.02.24) |
| Bishop Josef Clemens (77) Titular Bishop of SegermesSecretary emeritus of Pontifical Council for the LaityClementia tua Domine |
| Bishop Johann Wilhelm Cleven Born:1893.07.25 (Germany)Ordained Priest:1921.08.14Consecrated Bishop:1951.01.28Died:1983.08.14 († 90)Auxiliary Bishop of Köln (Germany) (1950.11.18 – 1983.07.27)Titular Bishop of Sasima (1950.11.18 – 1983.08.14) |
 Bishop Gerard Clifford Ut unum sintBorn:1941.06.24 (Ireland)Ordained Priest:1967.06.18Consecrated Bishop:1991.04.21Died:2016.12.12 († 75)Auxiliary Bishop of Armagh (Northern Ireland) (1991.03.25 – 2013.02.27)Titular Bishop of Hieron (1991.03.25 – 2016.12.12) |
| Bishop Stephan Cloth, O.S.B. Born:1674.01.21Ordained Priest:1698.10.12Consecrated Bishop:1727.01.25Died:1727.09.05 († 53)Titular Bishop of Derbe (1727.01.20 – 1727.09.05)Auxiliary Bishop of Heiligsten Erlöser in Fulda (Germany) (1727.01.20 – 1727.09.05) |
| Bishop Robert Bell Clune Born:1920.09.18 (Toronto, ON, Canada)Ordained Priest:1945.05.26Consecrated Bishop:1979.06.21Died:2007.09.06 († 86)Auxiliary Bishop of Toronto (Canada) (1979.05.03 – 1995.12.27)Titular Bishop of Lacubaza (1979.05.03 – 2007.09.06) |
| Bishop Isidore Clut, O.M.I. Jugum meum suave estBorn:1832.02.11 (France)Ordained Priest:1857.12.20Consecrated Bishop:1865.08.15Died:1903.07.09 († 71)Titular Bishop of Arindela (1864.08.03 – 1903.07.09)Auxiliary Bishop of Athabaska (Canada) (1864.08.03 – 1903.07.09) |
 Archbishop Augustin-Pierre Cluzel, C.M. Born:1815.03.06 (France)Consecrated Bishop:1874.09.08Died:1882.08.12 († 67)Titular Archbishop of Heraclea (1874.03.03 – 1882.08.12)Apostolic Administrator of Isfahan (Iran) (1874.03.30 – 1882.08.12)Apostolic Delegate to Persia (1874.03.30 – 1882.08.12) |