| Jurisdiction: | Diocese |
| Incheon | |
| Latin: | Dioecesis Inchonensis |
| Local: | 인천교구 |
| Territory: | Incheon, part of Gyeonggi |
| Province: | Seoul |
| Metropolitan: | Seoul |
| Area Km2: | 1,099 |
| Population: | 4,391,587 |
| Population As Of: | 2017 |
| Catholics: | 521,690 |
| Catholics Percent: | 11.9 |
| Parishes: | 128 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 6 June 1961 (years ago) |
| Cathedral: | Cathedral of St Paul in Incheon |
| Bishop: | John Baptist Jung Shin-chul |
| Bishop Title: | Bishop |
| Metro Archbishop: | Andrew Yeom Soo-jung |
| Map: | Diocese of Incheon.svg |
The Roman Catholic Diocese of Incheon (Latin: Dioecesis Inchonensis) is a diocese of the Latin Church of the Catholic Church located in Incheon, South Korea. The diocese is suffragan to the Archdiocese of Seoul.
On 6 June 1961 Pope John XXIII erected as an Apostolic Vicariate of Incheon. It was elevated to a diocese the next year on 10 March. The seat is Dapdong Cathedral.[1] [2]