| Jurisdiction: | Diocese |
| Jeonju | |
| Latin: | Dioecesis Ieoniuensis |
| Local: | 전주교구 |
| Country: | South Korea |
| Territory: | North Jeolla |
| Province: | Gwangju |
| Metropolitan: | Gwangju |
| Area Km2: | 8,067 |
| Population: | 1,854,607 |
| Population As Of: | 2017 |
| Catholics: | 201,690 |
| Catholics Percent: | 11.1 |
| Parishes: | 96 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 13 April 1937 (years ago) |
| Cathedral: | Cathedral of the Sacred Heart of Jesus in Jeonju |
| Bishop: | John Kim Son-tae |
| Bishop Title: | Bishop |
| Metro Archbishop: | Hyginus Kim Hee-jong |
| Emeritus Bishops: | Vincent Ri Pyung-ho |
| Map: | Diocese of Jeonju.svg |
The Diocese of Jeonju (Latin: Dioecesis Ieoniuensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in South Korea. It is in the ecclesiastical province of the metropolitan Archdiocese of Gwangju, yet depends on the missionary Dicastery for Evangelization.
Its cathedra is in the Joongang Cathedral of the Sacred Heart of Jesus, in the episcopal see of Jeonju 전주시, Jeollabuk-do 전라북도. It also has a former cathedral, now Jeondong Church of the Sacred Heart of Jesus, in Jeonju. Both are named for the Sacred Heart of Jesus.[1]
, 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.[1]