The Roman Catholic Diocese of Port-Louis (Latin: Portus Ludovici; French: Diocèse de Port-Louis) is a Roman Catholic diocese located in the city of Port Louis, the capital city of Mauritius.
On June 6, 1837, the territory was established as the Apostolic Vicariate of Mauritius from the Apostolic Vicariate of Cape of Good Hope and adjacent territories. On December 7, 1847, the vicariate was promoted to a diocese.
Bishops of Port-LouisBishop Maurice Piat, C.S.Sp. (February 15, 1993 – present)Cardinal Jean Margéot (February 6, 1969 – February 15, 1993)Bishop Daniel Liston, C.S.Sp. (December 19, 1949 – April 23, 1968)Archbishop Jacques Leen, C.S.Sp. (August 1, 1933 – December 19, 1949)Bishop Jacques Leen, C.S.Sp. (later Archbishop) (April 16, 1926 – August 1, 1933)Bishop John Tuohill Murphy, C.S.Sp. (July 8, 1916 – April 16, 1926)Bishop James Romanus Bilsborrow, O.S.B. (later Archbishop) (September 13, 1910 – February 7, 1916)Bishop Peter Augustine O’Neill, O.S.B. (May 22, 1896 – November 26, 1909)Archbishop Johann Gabriel Léon Louis Meurin, S.J. (September 27, 1887 – June 1, 1895)Bishop William Benedict Scarisbrick, O.S.B. (later Archbishop) (December 22, 1871 – September 27, 1887)Bishop Michael Adrian Hankinson, O.S.B. (September 28, 1863 – September 21, 1870)Bishop William Bernard Allen Collier, O.S.B. (December 7, 1847 – September 15, 1863)Vicars Apostolic of MauritiusBishop William Bernard Allen Collier, O.S.B. (February 14, 1840 – December 7, 1847)Bishop William Placid Morris, O.S.B. (June 6, 1837 – 1840)