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

Roman Catholic

Roman Catholic cathedrals in Belgium:^[1]

• Cathedral of Our Lady in Antwerp
• Abbatial Cathedral of St. James on Coudenberg in Brussels (of the Military Ordinariate of Belgium)
• Co-Cathedral of St. Michael and St. Gudula in Brussels
• St. Salvator's Cathedral in Bruges
• St. Bavo's Cathedral in Ghent
• St. Quentin's Cathedral in Hasselt
• St. Paul's Cathedral in Liège
• St. Rumbold's Cathedral in Mechelen
• St. Aubin's Cathedral in Namur
• Cathedral of Our Lady in Tournai

Anglican

Church of England cathedrals in Belgium:

• Holy Trinity Pro-Cathedral in Brussels

Eastern Orthodox

Russian Orthodox cathedrals in Belgium:

• The Cathedral Church of St. Nicholas in Brussels^[2]

Greek Orthodox (Patriarchate of Constantinople) cathedrals in Belgium:

• Cathedral of the Holy Archangels Michael and Gabriel in Brussels^[3]