The Saint Peter and Paul's Cathedral, also known as the Tuguegarao Cathedral, is an 18th-century Baroque church located along Rizal Street, Barangay Centro 10, Tuguegarao, Cagayan, Philippines. The church, originally built by Dominican friars, is the seat of the and is considered as one of the largest churches in the Cagayan Valley. A historical marker bearing a brief history of the church was installed in 1982 by the National Historical Institute, precursor of the National Historical Commission of the Philippines.