The Catholic Church of all Korea is united under a single episcopal conference for the entire politically divided peninsula. All territorial jurisdictions in Korea are part of the Latin Church, covering both South Korea and North Korea, comprising:
- three ecclesiastical provinces, each headed by a metropolitan bishop seated in an archdiocese, and a total of 14 suffragan dioceses
- the Military Ordinariate of South Korea.
- the pre-diocesan Territorial Abbey of Tokwon, in North Korea
Latin provinces of Korea
Ecclesiastical Province of Seoul, including North Korea
- Archdiocese of Seoul (also partially in North Korea)
- Diocese of Chunchon (also partially in North Korea)
- Diocese of Daejeon
- Diocese of Hamhung (in North Korea)
- Diocese of Incheon
- Diocese of Pyongyang (in North Korea)
- Diocese of Suwon
- Diocese of Uijeongbu
- Diocese of Wonju
Ecclesiastical Province of Kwangju, in South Korea
Ecclesiastical Province of Daegu, in South Korea
Exempt jurisdictions sui iuris
- Military Ordinariate of (South) Korea
- Territorial Abbey of Tokwon (alias Tŏkugen abbey, with a cathedral see), in North Korea
Defunct jurisdictions
There are no titular sees.
All former prelatures have current successor jurisdictions, notably as result of promotions.