Diocese of Nouakchott Dioecesis Nuakchottensis
Cathedral of Saint Joseph
Location
Country	Mauritania
Metropolitan	Immediately exempt to the Holy See
Statistics
Area	1,030,700 km2 (398,000 sq mi)
Population - Total - Catholics	(as of 2004) 2,600,000 4,500
Information
Denomination	Catholic Church
Sui iuris church	Latin Church
Rite	Roman Rite
Cathedral	Cathedral of Saint Joseph, Nouakchott
Current leadership
Pope	Francis
Bishop	Martin Albert Happe, M. Afr.

The Diocese of Nouakchott is a Latin Church ecclesiastical territory or diocese of the Catholic Church situated in Nouakchott, Mauritania. It is the only Catholic ecclesiastical territory in Mauritania. The Cathedral of St. Joseph is located in Nouakchott.

History

• 18 December 1965: Established as Diocese of Nouakchott from the Apostolic Prefecture of Saint-Louis du Sénégal in Senegal

Leadership

• Bishops of Nouakchott
  • Archbishop (titular)^[1] Michel-Jules-Joseph-Marie Bernard (died 2 January 1993), C.S.Sp. (15 January 1966 – 21 December 1973)
  • Bishop Robert Marie Jean Victor de Chevigny (died 11 June 2011), C.S.Sp. (21 December 1973 – 10 July 1995)
  • Bishop Martin Albert Happe, M. Afr. (since 10 July 1995)