This is the list of cathedrals in South Korea sorted by denomination.

Cathedrals of the Catholic Church in South Korea:^[1]

• Mokseong-dong Cathedral in Andong
• Naedeokdong Cathedral in Cheongju
• Chuncheon Juklim-dong Cathedral in Chuncheon
• Kyesan Cathedral and Beomeo Cathedral in Daegu
• Daeheungdong Cathedral in Daejeon
• Dapdong Cathedral in Inchon
• Joong-Ang Cathedral in Jeju City
• Jeondong Cathedral in Jeonju
• Im-dong Cathedral in Kwangju
• Yangdeokdong Cathedral in Masan
• Namcheon Cathedral in Pusan
• Cathedral of Virgin Mary of the Immaculate Conception (Myeong-dong Cathedral) in Seoul
• Jeongjadong Cathedral and Jowondong Cathedral in Suwon
• Cathedral of the Sacred Heart of Mary in Uijongbu
• Wondong Cathedral in Wonju

Eastern Orthodox cathedral in South Korea:

• St. Nicholas Cathedral in Seoul

Cathedrals of the Anglican Church of Korea:

• Ganghwa Anglican Cathedral
• Our Savior's Cathedral in Pusan
• Sts. Mary and Nicholas's Cathedral (Seoul Anglican Cathedral) in Seoul
• St. Benedict's Anglican Cathedral in Taejon [1]

Wikimedia Commons has media related to Cathedrals in South Korea.

• List of cathedrals
• Christianity in Korea