The Roman Catholic Church in Hungary is composed of:
- A Latin hierarchy, comprising
- four ecclesiastical provinces, comprising their Metropolitan archdioceses and in total nine suffragan dioceses
- the exempt Military Ordinariate
- the exempt Territorial Archabbey of Pannonhalma.
- The overlapping proper province of the Hungarian Greek Catholic Church (Eastern Catholic sui iuris, Byzantine Rite in Hungarian)
There is also an Apostolic nunciature, the papal diplomatic representation in Hungary.