The Roman Catholic Diocese of Rutabo was a short-lived (1951-1960) bishopric in Tanzania and is now a Latin Catholic titular see.
It was established on 13 December 1951 as Apostolic Vicariate of Lower Kagera, on territory split off from the then Apostolic Vicariate of Bubuka.Promoted and renamed after its see on 1953.03.25 as Diocese of Rutabo, a suffragan of the Metropolitan Roman Catholic Archdiocese of Mwanza (also in Tanzania)Suppressed on 1960.06.21, its territory being used to establish the Roman Catholic Diocese of Bukoba.Apostolic Vicar of Lower KageraLaurean Rugambwa (1951.12.13 – 1953.03.25 see below), Titular Bishop of Febiana (1951.12.13 – 1953.03.25)Suffragan Bishop of RutaboLaurean Rugambwa (see above 1953.03.25 – 1960.06.21), later created Cardinal-Priest of S. Francesco d’Assisi a Ripa Grande (1960.03.31 – 1997.12.08), Bishop of Bukoba (Tanzania) (1960.06.21 – 1968.12.19), Metropolitan Archbishop of Dar-es-Salaam (Tanzania) (1968.12.19 – 1992.07.22), President of Association of Member Episcopal Conferences in Eastern Africa (1970 – 1974)It was nominally restored in January 2009 as a Latin titular bishopric.
It has had the following incumbent, of the lowest (episcopal) rank :
Telesphore Bilung, Divine Word Missionaries (S.V.D., Auxiliary Bishop of Ranchi (India) 