The Cathedral-Shrine Parish of Saint Joseph, commonly known as Balanga Cathedral, in Balanga, Bataan, is the seat of the Roman Catholic Diocese of Balanga which comprises entire of the civil province of Bataan, Philippines. Currently, Noel Niguid and Alwin Bobis serve as the cathedral priests. On March 19, 2015, the cathedral was formally declared a diocesan shrine, changing its status from cathedral-parish to cathedral-shrine.

The Diocese of Balanga is a Latin Church diocese of the Catholic Church in the Philippines, established on March 17, 1975, by Pope Paul VI. The diocese has jurisdiction over the whole province of Bataan, with 38 parishes, 5 diocesan shrines, one minor basilica, chaplaincy, quasi-parish, national shrine and chapel, and 4 vicariates. It has 11 schools as of 2017, with 10 are operated by the diocese's Diocesan Schools of Bataan (DSOB) under its superintendent Fr. Roy Guila. The Cathedral-Shrine Parish of St. Joseph, Husband of Mary in Aguire Street, Poblacion, Balanga, serves as the seat of the diocese. It is part of the Ecclesiastical Province of San Fernando, Pampanga.