| Jurisdiction: | Diocese |
| Katsina-Ala | |
| Latin: | Dioecesis Katsinensis-Alensis |
| Country: |  Nigeria |
| Territory: | a portion of Benue State |
| Province: | Abuja |
| Metropolitan: | Archbishop of Abuja |
| Coordinates: | 7.1667°N 9.2833°W |
| Area Km2: | 6,465 |
| Population: | 676,000 |
| Catholics: | 338,497 |
| Catholics Percent: | 50.1 |
| Denomination: | Roman Catholic |
| Established: | 29 December 2012 |
| Cathedral: | Cathedral of St. Gerard Majella, in Katsina-Ala |
| Patron: | Saint Gerard Majella |
| Priests: | 32 |
| Bishop: | Isaac Bunde Dugu |
| Bishop Title: | Bishop elect |
| Suffragan: | for one --> |
| Archdeacon: | for one--> |
| Map: | Nigeria Benue State map.png |
The Roman Catholic Diocese of Katsina-Ala (Latin: Katsinen(sis)- Alen(sis) is a diocese located in the city of Katsina-Ala in the ecclesiastical province of Abuja in Nigeria.
Its cathedral is the church of St. Gerald of Majella in Katsina-Ala.
The Diocese is located in a portion of Benue State and includes the districts of Katsina-Ala, Logo, and Ukum.
The diocese was established on 29 December 2012 from the Diocese of Makurdi.[3]