Roman Catholic Diocese of Mahagi–Nioka

History

• July 2, 1962: Established as Diocese of Mahagi from the Diocese of Bunia
• October 30, 1967: Renamed as Diocese of Mahagi – Nioka

  Bishops

Ordinaries, in reverse chronological order

• Bishops of Mahagi–Nioka, below
• * Bishop Sosthène Ayikuli Udjuwa
• * Bishop Marcel Utembi Tapa, appointed Archbishop of Kisangani
• * Bishop Alphonse-Marie Runiga Musanganya
• * Bishop Thomas Kuba Thowa ; see below
• Bishop of Mahagi, below
• * Bishop Thomas Kuba Thowa ; see above

  Other priest of this diocese who became bishop

• Etienne Ung’eyowun Bediwegi, appointed Bishop of Bondo in 2008