Our Lady of the Mount Catholic Church in Honolulu is a parish of the Roman Catholic Church of Hawaii in the United States. It falls under the jurisdiction of the Diocese of Honolulu and its bishop. Located in the Kalihi Valley neighborhood community, it once served the immigrant Portuguese pineapple and sugarcane plantation laborers of the early 1900s. They dedicated their church to Nossa Sanhora do Monte or Our Lady of the Mount, in honor of the Blessed Virgin Mary.