Roman Catholic Diocese of Umuahia

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 .
Special churches.
The Cathedral is Mater Dei Cathedral in Umuahia. This elegant edifice which has helped to beautify the ancient city of Umuahia was dedicated on December 8, 2000.