Church Nuestra Señora del Rosario of Naguabo

The Church Nuestra Señora del Rosario of Naguabo (Spanish: Iglesia de Nuestra Señora del Rosario de Naguabo) is a historic 19th-century Roman Catholic parish church located in Naguabo Pueblo, the administrative and historic center of the municipality of Naguabo, Puerto Rico.

The church was built in 1856 with additional modifications being made by engineer Mariano Bosch in 1858, and its original timber and wooden roof being replaced between 1913 and 1921. The church is one of the oldest structures in Naguabo. It is listed in both the Inventory of Historic Churches of Puerto Rico and the National Register of Historic Places since 1984.