The Roman Catholic Diocese of Capri (Latin: Dioecesis Capriensis seu Capritana) was a Roman Catholic diocese located in the city of Capri on the island of Capri, in the Tyrrhenian Sea off the Sorrentine Peninsula, on the south side of the Gulf of Naples in the Campania region of Italy. On 27 June 1818, it was suppressed to the Archdiocese of Sorrento.