The Roman Catholic Diocese of Kisantu (Latin: Kisantuen(sis)) is a diocese located in the city of Kisantu in the ecclesiastical province of Kinshasa in the Democratic Republic of the Congo.

• 1 April 1931: Established as Apostolic Vicariate of Kisantu from the Apostolic Vicariate of Koango
• 10 November 1959: Promoted as Diocese of Kisantu

• 28 January 1935: Gained territory from Apostolic Vicariate of Kwango
• 24 May 1950: Lost territory to Apostolic Vicariate of Léopoldville
• 5 July 1957: Lost territory to establish Apostolic Prefecture of Kenge
• 24 June 1961: Lost territory to establish Diocese of Popokabaka

• Vicar Apostolic of Kisantu (Latin Rite)
  • Alphonse Verwimp, S.J. (23 June 1931 – 10 November 1959 ); see below
• Bishops of Kisantu (Latin Rite)
  • Alphonse Verwimp, S.J. (10 November 1959 – 27 October 1960 ); see above
  • Pierre Kimbondo (24 June 1961 – 27 April 1973 ), Archbishop (personal title) in 1971
  • Antoine Mayala ma Mpangu (27 April 1973 – 31 March 1993 )
  • Fidèle Nsielele Zi Mputu (10 June 1994 - 21 November 2020)
  • Jean-Crispin Kimbeni Ki Kanda (11 June 2022 – present)

• Antoine Mayala ma Mpangu (1971-1973)

• Pierre Kimbondo (1956-1961), appointed Bishop here

• Roman Catholicism in the Democratic Republic of the Congo

• GCatholic.org
• Catholic Hierarchy