St. Michael of Lillo (Spanish: San Miguel de Lillo, Asturian: Samiguel de Lliño) is a Roman Catholic church built on the Naranco mount, near the Church of Santa María del Naranco in Asturias. It was consecrated by Ramiro I and his wife Paterna in the year 848. It was originally dedicated to St. Mary until this worship passed to the nearby palace in the 12th century, leaving this church dedicated to Saint Michael.