The Roman Catholic Diocese of Saint-Louis du Sénégal (Latin: Sancti Ludovici Senegalen(sis), French: Diocèse catholique romain de Saint-Louis du Sénégal) is a diocese located in the city of Saint-Louis in the ecclesiastical province of Dakar in Senegal.

• 1763: Established as Apostolic Prefecture of Sénégal from the Diocese of Funchal in Portugal
• January 27, 1936: Renamed as Apostolic Prefecture of Saint-Louis du Sénégal
• February 15, 1966: Promoted as Diocese of Saint-Louis du Sénégal

• The cathedral is Cathédrale Saint Louis.

• Prefects Apostolic of Sénégal (Roman rite)
  • Fr. Jean-Claude Duret, C.S.Sp. (1856 – 1873.08.22), appointed Vicar Apostolic of Senegambia and Titular Bishop of Antigonea
  • Bishop François-Marie Duboin, C.S.Sp. (1876.07.20 – 1883.07)
  • Bishop François-Xavier Riehl (1883.11.23 – 1886.07.23)
  • Bishop Mathurin Picarda (1887.07.14 – 1889.01.22)
  • Bishop Joachim-Pierre Buléon, C.S.Sp. (1899.06.06 – 1900.06.13)
  • Bishop François-Nicolas-Alphonse Kunemann, C.S.Sp. (1901.02.27 – 1908.03.20)
  • Bishop Hyacinthe-Joseph Jalabert, C.S.Sp. (1909.02.13 – 1920.01.12)
  • Bishop Louis Le Hunsec, C.S.Sp. (1920.06.26 – 1926.07.26), appointed Superior General of Congregation of the Holy Spirit; future Archbishop
• Prefect Apostolic of Saint-Louis du Sénégal (Roman rite)
  • Fr. Joseph Landreau, C.S.Sp. (1955 – 1965)
• Bishops of Saint-Louis du Sénégal (Roman rite)
  • Bishop Prosper Dodds, C.S.Sp. (1966.02.15 – 1973.01.12)
  • Bishop Pierre Sagna, C.S.Sp. (1974.12.19 – 2003.02.22)
  • Bishop Ernest Sambou (since 2003.02.22)

• Roman Catholicism in Senegal
• Timeline of Saint-Louis, Senegal

• GCatholic.org
• Catholic Hierarchy

16°01′29″N 16°30′16″W / 16.0248°N 16.5044°W / 16.0248; -16.5044