| Jurisdiction: | Diocese |
| Nsukka | |
| Latin: | Dioecesis Nsukkana |
| Country: |  Nigeria |
| Territory: | a portion of Enugu State |
| Province: | Onitsha |
| Metropolitan: | Archbishop of Onitsha |
| Coordinates: | 6.8567°N 7.3958°W |
| Area Km2: | 3,792 |
| Population: | 857,974 |
| Population As Of: | 2004 |
| Catholics: | 732,503 |
| Catholics Percent: | 85.4 |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 19 November 1990 |
| Cathedral: | Saint Theresa Cathedral in Nsukka |
| Suffragan: | for one --> |
| Vicar General: | Amuluche-Greg. Nnamani |
| Archdeacon: | for one--> |
| Map: | Nigeria Enugu State map.png |
| Website: | http://nsukkacatholicdiocese.org |
The Diocese of Nsukka (Latin: Nsukkan(a)) is a Latin Church ecclesiastical territory or diocese of the Catholic Church located in the city of Nsukka, Nigeria. The Diocese of Nsukka is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Onitsha.
The Diocese of Nsukka has partnered with the Archdiocese of Chicago's Office of Catholic Schools in Chicago, Illinois, in the United States, in order to provide further training and formation and improved organization to the Diocese of Nsukka's schools staff.[1]
The Cathedral is Saint Theresa Cathedral in Nsukka.