| Jurisdiction: | Diocese |
| Aguleri | |
| Latin: | Dioecesis Aguleriensis |
| Country: | Nigeria |
| Metropolitan: | Valerian Okeke |
| Territory: | (Northern Anambra State) Anambra West, Anambra East, Oyi and Ayamelum |
| Province: | Province of Onitsha |
| Area Km2: | 1,388 |
| Population: | 1,857,060 |
| Catholics: | 357,965 |
| Catholics Percent: | 19.28 |
| Parishes: | 63 |
| Schools: | 162 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Cathedral: | Saint Joseph Cathedral Aguleri |
| Priests: | 60 |
| Bishop Title: | His Lordship |
| Bishop: | Denis Chidi Isizoh |
| Vicar General: | Very Rev Professor Akwanya Nicholas |
| Map: | Diocese of Aguleri NG.svg |
| Website: | http://aguleridiocese.org. |
| Deaneries: | Iwene Tansi Aguleri Lwanga Oyi Kizito Anam Mulumba Ayamelum Bakhita Nkwelle Bakanja Olumba |
The Roman Catholic Diocese of Aguleri (Latin: Dioecesis Aguleriensis) is a diocese of the Roman Catholic Church in Nigeria.[1] [2]
On 12 February 2023 the diocese was established from the archdiocesan territories of Onitsha to which it was made a suffragan diocese.