The Roman Catholic Metropolitan Archdiocese of Tabora () 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.
The seat of the archbishop is St. Theresa's Metropolitan Cathedral in Tabora.