This is the list of cathedrals in Iceland sorted by denomination.

Lutheran

Cathedrals of the Church of Iceland:

• Hólar Cathedral in Hólar
• Reykjavík Cathedral in Reykjavík
• Skálholt Cathedral in Skálholt

Roman Catholic

Cathedrals of the Roman Catholic Church in Iceland:^[1]

• Landakotskirkja (Landakot's Church), formally named Basilika Krists konungs (The Basilica of Christ the King) in Reykjavík