The Roman Catholic Diocese of Ortona a Mare e Campli (Latin: Dioecesis Ortonensis et Camplensis) was a Roman Catholic diocese in Italy, located in the city of Ortona, in the Province of Chieti in the Italian region of Abruzzo. In 1834, it was united with the Archdiocese of Lanciano to form the Archdiocese of Lanciano (e Ortona).
