An apostolic administration in the Catholic Church is administrated by a prelate appointed by the pope to serve as the ordinary for a specific area. Either the area is not yet a diocese, or is a diocese, archdiocese, eparchy or similar permanent ordinariate that either has no bishop or archbishop or, in very rare cases, has an incapacitated (arch)bishop. The title also applies to an outgoing (arch)bishop while awaiting for the date of assuming his new position.
The Archdiocese of Saint Andrews & Edinburgh is an archdiocese of the Latin Church of the Catholic Church in Scotland. It is the metropolitan see of the province of Saint Andrews and Edinburgh, consisting of the additional suffragan sees of Aberdeen, Argyll and the Isles, Dunkeld, and Galloway. The archdiocese is led by Archbishop Leo Cushley, and its cathedral is St Mary's Cathedral, Edinburgh.
The Catholic Church in Tanzania is part of the worldwide Catholic Church, under the spiritual leadership of the Pope in Rome.
The Archdiocese of Kansas City in Kansas is a Latin Church ecclesiastical province, or archdiocese, of the Catholic Church in eastern Kansas in the United States.
The Diocese of Saint Cloud is a Latin Church diocese of the Catholic Church in central Minnesota in the United States. It is a suffragan diocese of the metropolitan Archdiocese of Saint Paul and Minneapolis.
The Archdiocese of Sydney is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church. Its episcopal see is Sydney, New South Wales, Australia.
The Roman Catholic Archdiocese of Nairobi is the Metropolitan See for the ecclesiastical province of Nairobi in Kenya, and the Primatial see for Kenya.
The Roman Catholic Metropolitan Archdiocese of Colombo is a Latin metropolitan archdiocese of the Roman Catholic Church, whose ecclesiastical province covers all Sri Lanka plus the Maldives. It depends on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Archdiocese of Mwanza is the Metropolitan See for the ecclesiastical province of Mwanza in Tanzania.
The Roman Catholic Diocese of Mbulu is a diocese located in the city of Mbulu in the ecclesiastical province of Arusha in Tanzania. The seat of the Bishop is the Cathedral Church of the Virgin Mary.
The Roman Catholic Archdiocese of Dodoma is an ecclesiastical territory or diocese of the Roman Catholic Church in Tanzania located in the city of Dodoma.
The Roman Catholic Diocese of Morogoro is a diocese located in the city of Morogoro in the ecclesiastical province of Dar-es-Salaam in Tanzania.
The Diocese of Zanzibar is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church. It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Dar-es-Salaam.
The Roman Catholic Diocese of Bukoba is a diocese located in Bukoba in the ecclesiastical province of Mwanza in Tanzania.
The Roman Catholic Archdiocese of Agra is a Latin Metropolitan archdiocese in northern India's Uttar Pradesh state. It comproses the following districts in Uttar Pradesh: Agra, Aligarh, Auraiya, Budaun, Bulandshahr, Etah, Etawah, Farrukabad, Firozabad, Gautambudha Nagar, Hathras, Kannauj, Mainpuri, Mathura and in Rajasthan: Bharatpur and Dholpur.
Thomas Spreiter, OSB was a German missionary, one of the first of the Missionary Benedictines, who worked in German East Africa and later South Africa. He was the ordinary of the Roman Catholic Archdiocese of Dar-es-Salaam in German East Africa, and bishop of the Apostolic Vicariate of Natal and of the Vicariate of Eshowe.
Protase Rugambwa is a Tanzanian prelate of the Catholic Church who has been metropolitan archbishop of the Archdiocese of Tabora since November 2023, after serving as coadjutor there for seven months. He was a secretary of the Congregation for the Evangelization of Peoples from November 2017 to April 2023. He previously served as that congregation's adjunct secretary and president of the Pontifical Mission Societies from 2012 to 2017. Pope Francis made him a cardinal on 30 September 2023.
Vinda was an Ancient city and bishopric in North Africa and is now a Latin Catholic titular see.
Jude Thadaeus Ruwa'ichi, OFMCap is a Tanzanian prelate of the Catholic Church who has been Archbishop of Dar-es-Salaam since 15 August 2019. He is a Capuchin and has been a bishop since 1998.
Edgar Aristide Maranta, OFMCap, commonly known as Edgar Maranta was a Swiss prelate of the Catholic Church who spent most of his career in Dar es Salaam, 23 years as apostolic delegate from 1930 to 1953 and 15 years as archbishop.
Tanzania 
