The Roman Catholic Metropolitan Archdiocese of Tabora (Latin: Archidioecesis Metropolitae Taboraënsis) is the Metropolitan See for the ecclesiastical province of Tabora in Tanzania.

In the year 2004 it had 257.390 faithful among 1.426.998 people (18.0%), with 64 priests (43 diocesans and 21 religious) (1 per 4,021 Catholics, 32 brothers and 159 sisters in 22 parishes. As per 2020 statistics, it had 235,748 faithful among 2,362,660 people (10%), with 97 priests (59 diocesan and 38 religious) which is approx. 1 priest per 2,430 catholics. Also there was 54 male religious and 229 female religious.

• January 11, 1887: Established as Apostolic Vicariate of Unianyembé from the Apostolic Vicariate of Tanganyika
• May 31, 1925: Promoted as Diocese of Tabora
• March 25, 1953: Promoted as Metropolitan Archdiocese of Tabora

The seat of the archbishop is St. Theresa’s Metropolitan Cathedral in Tabora.

Vicars Apostolic of Unianyembé (Roman rite)

• François Gerboin, M. Afr. (1897.01.28 – 1912.06.27)
• Henri Léonard, M. Afr. (1912.06.27 – 1925.05.31 see below)

Vicars Apostolic of Tabora (Roman rite)

• Henri Léonard, M. Afr. (see above 1925.05.31 – 1928.07.23)
• Edouard Michaud, M. Afr. (1928.11.29 – 1932.03.24), appointed Coadjutor Vicar Apostolic of Uganda
• Joseph Trudel, M. Afr. (1933.04.25 – 1949.02.04)
• Cornelius Bronsveld, M. Afr. (1950.05.31 – 1953.03.25 see below)

Metropolitan Archbishops of Tabora (Roman rite)

• Cornelius Bronsveld, M. Afr. (see above 1953.03.25 – 1959.12.21)
• Marko Mihayo (1960.06.21 – 1985.03.09)
• Mario Epifanio Abdallah Mgulunde (1985.03.09 – 2006.03.14)
• Paul R. Ruzoka (2006.11.25 – present)
  • Archbishop Coadjutor Protase Rugambwa

• Henri Léonard, M. Afr. (1912)

• Bernard Mabula (1969-1972), appointed Bishop of Singida

• Kahama
• Kigoma
• Mpanda

• Roman Catholicism in Tanzania

• Tanzania Episcopal Conference Archived 2014-07-14 at the Wayback Machine
• Bolla Quemadmodum ad Nos, AAS 45 (1953), p. 705