| Jurisdiction: | Diocese |
| Suwon | |
| Latin: | Dioecesis Suvonensis |
| Local: | 수원 교구 |
| Territory: | Southern part of Gyeonggi |
| Province: | Seoul |
| Metropolitan: | Seoul |
| Area Km2: | 5,371 |
| Population: | 8,417,575 |
| Population As Of: | 2017 |
| Catholics: | 928,650 |
| Catholics Percent: | 10.9 |
| Parishes: | 218 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 7 October 1963 (years ago) |
| Cathedral: | Cathedral of St Joseph |
| Patron: | Queen of Peace |
| Bishop: | Matthias Ri Iong-hoon |
| Bishop Title: | Bishop |
| Metro Archbishop: | Peter Chung Soon-taick |
| Auxiliary Bishops: | Linus Lee Seong-hyo John Moon Hee-jong |
| Emeritus Bishops: | Paul Choi Deok-ki |
| Map: | Diocese of Suwon.svg |
The Diocese of Suwon (Lat.: Dioecesis Suvonensis) is a particular church of the Latin Church of the Catholic Church. The seat of the Bishop of Suwon is at Jeongjadong Cathedral in Suwon, Gyeonggi-do, South Korea.
Pope Paul VI created the episcopal see on October 7, 1963. The territory had previously been part of the Archdiocese of Seoul, to which Suwon is suffragan.[1] [2]