The Roman Catholic Diocese of Dipolog (Latin: Dioecesis Dipologanae; Filipino: Diyosesis ng Dipolog; Cebuano: Diyosesis sa Dipolog; Spanish: Diócesis de Dipolog) is a Roman Rite diocese of the Latin Church of the Catholic Church in the Philippines which comprises the civil province of Zamboanga del Norte. Erected in 1967 from territory in the Archdiocese of Zamboanga, the diocese is suffragan to the Archdiocese of Ozamiz.