The Catholic Church in Nigeria is part of the worldwide Catholic Church, under the spiritual leadership of the Pope, the curia in Rome, and the Catholic Bishops' Conference of Nigeria (CBCN).
The Diocese of Awgu in Nigeria was created on July 5, 2005, when it was split off from the Diocese of Enugu. It is a suffragan diocese of the Archdiocese of Onitsha. Its first bishop is John Ifeanyichukwu Okoye. The St. Michael Archangel Parish Church in Awgu is the largest church in the diocese and will therefore become its cathedral.
The Roman Catholic Archdiocese of Owerri is located in Owerri, Imo State, Nigeria. The Seat of Wisdom Seminary is in Owerri. The archdiocese covers an area of 2,996 km2. 670,986 of the 1.7 million people in the area are member of the Catholic Church.
Okigwe is the third largest city in Imo state in Nigeria after Owerri and Orlu. Okigwe is located in the Okigwe Local Government Area (LGA) of Nigeria. The city lies between the Port Harcourt-Enugu-Maiduguri rail line, being the nearest city to the biggest cattle market in Nigeria located in the Umu Nneochi Area of Abia state. Thus, the city has grown into a major cattle transit town for the South-East and South subregions of Nigeria. Okigwe has a population of 132,237. Most of the population is made up of immigrant workers from other states. Okigwe city was the primary host site of the old Imo State University. Okigwe has various tourist and historical sites. Okigwe remains one of the breadbaskets of Nigeria with terrace cultivation practised on its hilly farmlands. St. Mary's Cathedral in Okigwe is the seat of the Roman Catholic Diocese of Okigwe. In 2016, the Imo state government recommissioned a new cattle market in the city in respect to the previous one that has been relocated to Abia.
The Roman Catholic Diocese of Saint John's–Basseterre is a diocese of the Latin Church of the Roman Catholic Church, covering five English-speaking jurisdictions in the Caribbean. The bishopric is a suffragan of the Metropolitan Archdiocese of Castries, and a member of the Antilles Episcopal Conference, but remains dependent on the missionary Dicastery for Evangelization.
The Roman Catholic Diocese of Labrador City–Schefferville was a Latin suffragan diocese that included part of the Canadian federal provinces of Newfoundland and Québec.
The Roman Catholic Archdiocese of Abuja is the Metropolitan See for the ecclesiastical province of Abuja in Nigeria.
The Archdiocese of Ibadan is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Ibadan, Nigeria.
The Roman Catholic Diocese of Lafia is a diocese located in the city of Lafia in the ecclesiastical province of Abuja in Nigeria.
The Diocese of Ikot Ekpene is a Latin Church ecclesiastical territory or diocese of the Catholic Church. Its episcopal see is Ikot Ekpene, Akwa Ibom State. The Diocese of Ikot Ekpene is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Calabar.
The Roman Catholic Diocese of Osogbo is a diocese located in the city of Osogbo, Osun State in the ecclesiastical province of Ibadan in Nigeria.
The Roman Catholic Diocese of Oyo is a Latin suffragan diocese in the ecclesiastical province of Ibadan, Nigeria. It still depends on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Diocese of Kano is a diocese located in the city of Kano in the ecclesiastical province of Kaduna in Nigeria.
The Roman Catholic Diocese of Awka is a diocese located in the city of Awka, Anambra State in the ecclesiastical province of Onitsha in Nigeria. The Diocese boasts of having the highest number of priests amongst other Catholic dioceses in Africa as a whole.
The Roman Catholic Diocese of Umuahia is a diocese located in the city of Umuahia. It was part of the Old Ecclesiastical Province of Onitsha, but presently, it belongs to the ecclesiastical province of Owerri, in Nigeria, which was erected on March 26, 1994.
The Diocese of Galloway is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Scotland. The pre-Reformation Diocese of Galloway, founded by Ninian in the fifth century, had broken allegiance with Rome in 1560, and disappeared in 1689 in the (official) Church of Scotland but continued in the Episcopal Church of Scotland. The modern Roman Catholic diocese incorporates the local authority areas of Dumfries and Galloway, South Ayrshire, East Ayrshire and parts of North Ayrshire, (Cumbrae). The bishop's cathedra is at St Margaret's Cathedral, Ayr.
The Roman Catholic Archdiocese of Ribeirão Preto is an archdiocese located in the city of Ribeirão Preto in Brazil.
The Roman Catholic Diocese of Naval is a diocese of the Roman Rite of the Latin Church of the Catholic Church in the Philippines. Its cathedral is in Naval, Biliran in the Eastern Visayas. Its territory includes the whole island of Biliran and the four towns at the northwestern tip of Leyte Province.
Anthony Ekezia Ilonu was the Roman Catholic bishop of the Roman Catholic Diocese of Okigwe, Nigeria.
The Corpus Christi Cathedral is a Roman Catholic cathedral in Port Harcourt, Rivers State, Nigeria. It is the seat of the Bishop of Port Harcourt and serves as the headquarters of the Diocese of Port Harcourt. The cathedral church is dedicated to Bishop Edmund Fitzgibbon. It is located in D-line, a mixed-use neighbourhood of Port Harcourt.
Nigeria 
