The Roman Catholic Diocese of Jeonju (Latin: Dioecesis Ieoniuensis) is a suffragan diocese of the Latin Rite of the Catholic Church in the ecclesiastical province of the Metropolitan Archdiocese of Gwangju, South Korea, yet depends on the missionary Roman Congregation for the Evangelization of Peoples.
Its episcopal see is Joongang Cathedral of the Sacred Heart of Jesus, in Jeonju 전주시, Jeollabuk-do 전라북도 It also has a former cathedral, now Jeondong Church of the Sacred Heart of Jesus, in Jeonju.
Established on 13 April 1937 by Pope Pius XI as the Apostolic Prefecture of Zenshu, on territory split off from the then Apostolic Vicariate of TaikuRenamed on 12 July 1950 by Pope Pius XII as Apostolic Prefecture of Jeonju 전주 / Chŏnju / 全州 (正體中文) / Ieoniuen(sis) (Latin)Promoted on 21 January 1957 as Apostolic Vicariate of Jeonju 전주 / Chŏnju / 全州 (正體中文) / Ieoniuen(sis) (Latin), hence entited to a titular bishop.Promoted again by Pope John XXIII on 10 March 1962 as Diocese of Jeonju 전주 / Chŏnju / 全州 (正體中文) / Ieoniuen(sis) (Latin) As per 2014, it pastorally served 190,465 Catholics (10.2% of 1,872,965 total) on 8,066 km² in 93 parishes and 5 missions with 213 priests (209 diocesan, 4 religious), 341 lay religious (7 brothers, 334 sisters) and 42 seminarians.
(all Roman Rite)
Apostolic Prefects of ZenshuFather Stephen Yang-hong Kim (13 April 1937 - death 1941)Father Paul Jae-yong Ju (1941 - death 1946)Fr. Bartolomeo Hyun-bae Kim (1947.06.13 – 1950.07.12 see below)Apostolic Prefects of JeonjuBartolomeo Hyun-bae Kim (see above 1950.07.12 – 1957.01.26 see below)Apostolic Vicars of JeonjuBartolomeo Hyun-bae Kim (see above 1957.01.26 – death 1960.04.30), Titular Bishop of Agbia (1957.01.26 – 1960.04.30)Peter Gong-ryul Han (1961.01.03 – 1962.03.10 see below), Titular Bishop of Sagalassus (1961.01.03 – 1962.03.10)Suffragan Bisops of JeonjuPeter Gong-ryul Han (see above 1962.03.10 – 1971), next Metropolitan Archbishop of Gwangju 광주 (South Korea) (1971 – death 1973.03.07)Augustine Jae-deok Kim (1973.01.29 – retired 1981.04.10), died 1988Michael Pak Jeong-il (박정일 미카엘) (Michael Jung-il Park) (1982.06.08 – 1988.12.15), previously Bishop of Jeju 제주 (South Korea) (1977.04.15 – 1982.06.08); later Bishop of Masan 마산 (South Korea) (1988.12.15 – retired 2002.11.11), President of Catholic Bishops’ Conference of Korea (1999 – 2002)Vincent Byung-ho Ree (Vincent Ri Pyung-ho) (1990.02.08 – retired 2017.03.14)Bishop-elect Rev. Fr. Dr. John Kim Son-Tae (appointed March 14, 2017; to be ordained and installed; 2017 - ...) 
