| Cathedral Basilica of St. Mary | |
| Other Name: | Catedrala romano-catolică Adormirea Maicii Domnului Nagyboldogasszony székesegyház |
| Coordinates: | 47.0689°N 21.932°W |
| Location: | Strada Șirul Canonicilor, Nr. 2, Oradea |
| Country: |  Romania |
| Denomination: | Roman Catholic Church |
| Founded Date: | 1752 - 1780 |
The Cathedral Basilica of St. Mary[1] (ro|Catedrala romano-catolică Adormirea Maicii Domnului; hu|nagyváradi Nagyboldogasszony székesegyház[2]) also called the Catholic Cathedral of the Assumption, is the cathedral church of the Latin Diocese of Oradea Mare. It is located at 2 Șirul Canonicilor Street, Oradea, Romania.[3] [4]
The basilica was built between 1752 and 1780, and was designed by Italian architect Giovanni Battista Ricca (1691-1757). After the death of the first architect, construction was completed by the Viennese Franz Anton Hillebrandt and the church was adorned with baroque decorations of Austria.