Kabiskopan Agung Onitsha () yaiku tahta Metropolitan kanggo provinsi grejawi Onitsha ing Praja Anambra, Nigeria.

Kabiskopan Suffragan 
 Abakaliki
 Awgu
 Awka
 Enugu
 Nnewi
 Nsukka

Referensi

Sumber 
 GCatholic.org
 Roman Catholic Archdiocese of Onitsha, official website
 Catholic-Hierarchy page about Onitsha
 

Kabiskopan ing Nigéria
Onitsha