The Diocese of Cingoli was a Roman Catholic diocese in Italy.
It was founded in the fifth century and in 1725 merged with the Diocese of Osimo to form the Diocese of Osimo e Cingoli.
It was contained within the Papal States.
This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "". Catholic Encyclopedia. New York: Robert Appleton.