The church of St Mary at Mount Naranco () is a Roman Catholic church in Oviedo, northern Spain. It was built in 848 as a royal palace for King Ramiro I of Asturias. It was changed into a church during the 13th century. Santa María church is an example of Asturian pre-Romanesque architecture. In 1985 it was declared a World Heritage Site by UNESCO. It was declared "Bien de Interés Cultural" in 1885. The Church of St Mary at Mount Naranco was one of 100 finalists for the 12 Treasures of Spain in 2007.