The Diocese of Polignano or Diocese of Polinianum (Latin: Dioecesis Polinianensis) was a Roman Catholic diocese located in the town of Polignano in the province of Bari, Apulia, southern Italy, located on the Adriatic Sea. In 1818, it was suppressed to the Diocese of Monopoli. It was restored as a Titular Episcopal See in 1968.
Erected: 7th Century
Latin Name: Polinianensis
Metropolitan: Archdiocese of Bari-Canosa
Michele Claudio (1506–1508 Appointed, Bishop of Monopoli)
Christoforo Magnacurius (1508–1517 Resigned)
Giacomo Framarini (1517–1540 Resigned)
Rosmano Casamassima (1541–1544 Resigned)
Pietro Antonio Casamassima (1544–1570 Died)
Francesco Angelo Gazzino, O.P. (1570–1572 Died)
Pietro Francesco Ferri (1572–1580 Died)
Raffaele Tomei (1580–1598 Died)
Giovanni Battista Guanzato (1598–1607 Died)
Giovanni Maria Guanzelli, O.P. (1607–1619 Died)
Francesco Nappi (bishop) (1619–1628 Died)
Girolamo Parisani (1629–1638 Died)
Antonio del Pezzo (1638–1641 Appointed, Archbishop of Sorrento)
Giovanni Domenico Moroli, O.S.B. (1642–1649 Died)
Vincenzo Pineri, O.F.M. Conv. (1649–1672 Resigned)
Scipione de Martinis (1672–1681 Died)
Ignatius Fiumi, O.P. (1681–1694 Died)
Giovanni Battista Capilupi (1694–1716 Died)
Pietro Antonio Pini (1718–1736 Died)
Andreas Venditti (Vinditti) (1737–1767 Died)
Francesco Broccoli (1767–1775 Died)
Mattia Santoro (1775–1797 Died)
Suppressed: 1818 to the Diocese of Monopoli
