List of Catholic dioceses in Korea

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

Ecclesiastical Province of Kwangju, in South Korea

Ecclesiastical Province of Daegu, in South Korea

Exempt jurisdictions ''sui iuris''

Military Ordinariate of (South) KoreaTerritorial Abbey of Tokwon, in North Korea

Defunct jurisdictions

There are no titular sees.
All former prelatures have current successor jurisdictions, notably as result of promotions.