The Roman Catholic Diocese of Bunia (Latin: Buniaën(sis)) is a diocese located in the city of Bunia in the ecclesiastical province of Kisangani in the Democratic Republic of the Congo.

• 27 June 1922: Established as Apostolic Prefecture of Lake Albert from the Apostolic Vicariate of Stanley Falls and the Apostolic Vicariate of Uganda in Uganda
• 11 December 1933: Promoted as Apostolic Vicariate of Lake Albert
• 10 November 1959: Promoted as Diocese of Bunia
• 2 July 1962: Lost territory to establish Diocese of Mahagi

• Bishops of Bunia (Latin Rite), below
  • Bishop Dieudonné Uringi Uuci (since 1 April 2005)
  • Bishop Léonard Dhejju (2 July 1984 – 6 April 2002)
  • Bishop Gabriel Ukec (29 September 1964 – 2 July 1984)
  • Bishop Alphonse Joseph Matthijsen, M. Afr. (10 November 1959 – 19 August 1963); see below''
• Vicar Apostolic of Lake Albert (Latin Rite), below
  • Bishop Alphonse Joseph Matthijsen, M. Afr. (11 December 1933 – 10 November 1959); see above & below
• Prefect Apostolic of Lake Albert (Latin Rite), below
  • Father Alphonse Joseph Matthijsen, M. Afr. (21 June 1922 – 11 December 1933); see above

• Roman Catholicism in the Democratic Republic of the Congo

• GCatholic.org
• Catholic Hierarchy

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