The Diocese of Comacchio (Latin: Dioecesis Comaclensis) was a Roman Catholic diocese located in the coastal town of Comacchio in the province of Ferrara and region of Emilia Romagna, Italy. It was suppressed in 1964 to the Archdiocese of Ravenna.
Latin Name: Comaclensis
Metropolitan: Archdiocese of Ravenna
1964 May 18: United with the Territorial Abbey of Pomposa
Latin Name: Comaclensis (-Pomposae)
Metropolitan: Archdiocese of Ravenna
1986 Sep 30: Suppressed to the Archdiocese of Ferrara–Comacchio