The Cathedral-Basilica Minore and Parish of the Immaculate Conception, commonly known as Malolos Cathedral, is a Roman Catholic minor basilica and cathedral in the city of Malolos, Bulacan in the Philippines. The cathedral is the see of the Bishop of Malolos, a suffragan of the Archdiocese of Manila. The shrine is dedicated to the Blessed Virgin Mary of the Immaculate Conception.