• Bishops of Kigoma
  • Rt. Rev. Joseph Mlola (from 10 Julai 2014)
  • Rt. Rev. Protase Rugambwa (2008 – 2012)
  • Rt. Rev. Paul Ruzoka (1989 – 2006)
  • Rt. Rev. Alphonse Daniel Nsabi (1969 – 1989)
  • Rt. Rev. James Holmes-Siedle MAfr (1958 – 1969)
  • Rt. Rev. John van Sambeek MAfr (1953 – 1957)
• Vicar Apostolic of Kigoma
  • John van Sambeek MAfr (1946 – 1953)
• Vicar Apostolic of Tanganyika
  • John van Sambeek MAfr (1936 – 1946)
  • Joseph-Marie Birraux MAfr (1920 – 1936)
  • Adolphe Lechaptois MAfr (1891 – 1917)
  • Léonce Bridoux MAfr (1888 – 1890)
  • Jean-Baptiste-Frézal Charbonnier MAfr (1887 – 1888)