Luc Christian Joseph Marie Terlinden is a Belgian Catholic prelate who has served as Archbishop of Mechelen-Brussels, Primate of Belgium and head of the Military Ordinariate of Belgium since September 2023. He is president of the Episcopal Conference of Belgium and the second-youngest Primate of Belgium.
The Archdiocese of Mechelen–Brussels (Latin: Archidioecesis Mechliniensis–Bruxellensis) is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Belgium. It is the primatial see of the whole of Belgium. Additionally it is the centre of the local ecclesiastical province governed by the Archbishop of Mechelen–Brussels, which covers the middle of the country corresponding to the now defunct Belgian Province of Brabant and a few other municipalities adjacent to it.
The Archdiocese was formed in 1559, and the bishop has a seat in two cathedrals, St. Rumbold's Cathedral in Mechelen and the Cathedral of St. Michael and St. Gudula in Brussels. The current archbishop is Luc Terlinden, who was installed in September 2023.