• Vicars Apostolic of Tanganika (Latin rite) •
Jean-Baptiste-Frézal Charbonnier, M. Afr. (1887.01.14 – 1888.03.16) •
Léonce Bridoux, M. Afr. (1888.06.15 – 1890.10.21) •
Adolphe Lechaptois, M. Afr. (1891.06.19 – 1917.11.30) •
Joseph-Marie Birraux, M. Afr. (1920.04.22 – 1936.04.22) • John van Sambeek, M. Afr. (1936.11.19 – 1946.05.10
see below) • Vicar Apostolic of Kigoma (Latin rite) • John van Sambeek, M. Afr. (
see above 1946.05.10 – 1953.03.25
see below) •
Bishops of Kigoma (Latin rite) •
John van Sambeek, M. Afr. (
see above 1953.03.25 – 1957.11.22) •
James Holmes-Siedle,
M. Afr. (1958.08.05 – 1969.12.15) •
Alphonse Daniel Nsabi (1969.12.15 – 1989.08.16) •
Paul R. Ruzoka (1989.11.10 – 2006.11.25); named Archbishop of the
Roman Catholic Archdiocese of Tabora •
Protase Rugambwa (2008.01.18 - 2012.06.26); named Archbishop (President of the
Pontifical Mission Societies and Adjunct Secretary of the
Congregation for the Evangelization of Peoples), Currently Archbishop of the
Roman Catholic Archdiocese of Tabora •
Joseph R. Mlola,
ALCP/OSS, (2014.07.10 - present) ==Other diocesan clergy appointed bishops==