Our Lady of Piat (Spanish: Nuestra Señora de Piat or Nuestra Señora del Santísimo Rosario de la Visitación de Piat) is a 16th-century Roman Catholic icon of the Blessed Virgin Mary enshrined in a minor basilca situated in Piat, Cagayan, Philippines. It is the town's and the province's patroness and is one of the most venerated Marian images of Mary in the Philippines, referred to as the "Mother of Cagayan".