| Jurisdiction: | Diocese |
| Andong | |
| Latin: | Dioecesis Andongensis |
| Local: | 안동교구 |
| Territory: | Northern part of North Gyeongsang |
| Province: | Daegu |
| Metropolitan: | Daegu |
| Area Km2: | 10,781 |
| Population: | 717,858 |
| Population As Of: | 2017 |
| Catholics: | 51,359 |
| Catholics Percent: | 7.2 |
| Parishes: | 38 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 29 May 1969 (years ago) |
| Cathedral: | Cathedral of the Immaculate Conception in Andong |
| Bishop: | John Chrisostom Kwon Hyeok-ju |
| Bishop Title: | Bishop |
| Metro Archbishop: | Thaddeus Cho Hwan-gil |
| Emeritus Bishops: | René Dupont |
| Map: | Diocese of Andong.svg |
The Roman Catholic Diocese of Andong (Latin: Dioecesis Andongensis) is a diocese of the Latin Church of the Catholic Church located in Andong, South Korea. The diocese is suffragan to the Archdiocese of Daegu.
On 29 May 1969 Pope Paul VI established the Diocese of Andong from territory taken from the Archdiocese of Daegu and the Diocese of Wonju.[1] [2]