The Diocese of Abakaliki is a Roman Catholic diocese with its headquarters in Abakaliki, Nigeria. It was erected on 1 March 1973 from the territory of the Diocese of Ogoja with the Right Reverend Thomas McGettrick SPS as its first bishop. There is also a Bishop and Diocese of Abakaliki in the Anglican Church of Nigeria. Bishops Ordinaries Thomas McGettrick, S.P.S. (1973–1983) Michael Nnachi Okoro (1983–2021) Peter Nworie Chukwu (2021–present) Auxiliary Bishop Michael Nnachi Okoro (1977–1983), appointed Bishop here External links Diocese of Abakaliki / catholic- hierarchy.com Roman Catholic Diocese of Abakaliki official website GCatholic.org page for this diocese References Roman Catholic dioceses in Nigeria Christian organizations established in 1973 Roman Catholic dioceses and prelatures established in the 20th century 1973 establishments in Nigeria Roman Catholic Ecclesiastical Province of Onitsha