The Diocese of Trapani (Latin: Dioecesis Drepanensis) is a Latin diocese of the Catholic Church in Sicily. It is a suffragan of the archdiocese of Palermo.

This section needs expansion. You can help by adding to it. (February 2017)

Trapani was subject to the see of Mazzara, from the Norman Conquest until 1844, when the diocese was created. Its first bishop was the Redemptorist Vincenzo M. Marolda.

• Vincenzo Maria Marolda, C.SS.R. (1844–1851 Resigned)
• Vincenzo Ciccolo Rinaldi (1853–1874 Died)
• Giovanni Battista Bongiorni (1874–1879 Appointed, Bishop of Caltagirone)
• Francesco Ragusa (1879–1895 Died)
• Stefano Gerbino di Cannitello, O.S.B. (1895–1906 Resigned)
• Francesco Maria Raiti, O. Carm. (1906–1932 Died)
• Ferdinando Ricca (1932–1947 Died)
• Filippo Jacolino (1947–1950 Died)
• Corrado Mingo (1950–1961 Appointed, Archbishop of Monreale)
• Francesco Ricceri (1961–1978 Retired)
• Emanuele Romano (1978–1988 Retired)
• Domenico Amoroso, S.D.B. (1988–1997 Died)
• Francesco Miccichè (1998 – 19 May 2012 Removed)
• Pietro Maria Fragnelli (2013– )

• (in Italian) Official page

 This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Trapani". Catholic Encyclopedia. New York: Robert Appleton Company.

38°01′00″N 12°31′00″E / 38.0167°N 12.5167°E / 38.0167; 12.5167