The Catholic Church in Nigeria is mainly composed of a Latin hierarchy, joined in a national Episcopal Conference of Nigeria, and a single Eastern Catholic (transnational) see, comprising:
There are no titular sees. All defunct jurisdictions have current successor sees.
There is an Apostolic Nunciature (papal diplomatic representation at embassy-level) to Nigeria in the national capital Abuja; in it is also vested the papal Permanent Observer to Economic Community of West African States (ECOWAS).