| Jurisdiction: | Diocese |
| Katsina | |
| Latin: | Dioecesis Katsinensis |
| Country: |  Nigeria |
| Territory: | Katsina |
| Denomination: | Roman Catholic |
| Metropolitan: | Archbishop of Kaduna |
| Parishes: | 20 |
| Rite: | Latin Rite |
| Established: | 16 October 2023 |
| Cathedral: | St. Martin De Porres Cathedral, Katsina |
| Bishop: | Rev. Gerald Mamman Musa |
| Province: | Kaduna |
| Coordinates: | 12.7175°N 7.985°W |
| Area Km2: | 29,000 |
| Population: | 9,669,439 |
| Population As Of: | 2023 |
| Bishop Title: | Bishop |
| Website: | https://www.katsinadiocese.org |
| Catholics: | 19000 |
| Catholics Percent: | 0.19 |
| Priests: | 15 |
The Roman Catholic Diocese of Katsina (Latin: Katsinen(sis)) is a diocese located in the city of Katsina in the ecclesiastical province of Kaduna in Nigeria. Its territory is made up of the state of Katsina. It was established by Pope Francis in 2023.[1] [2]
The Cathedral is St. Martin De Porres Cathedral in Katsina city.