| Jurisdiction: | Diocese |
| Hasselt | |
| Latin: | Dioecesis Hasseletensis |
| Local: | Diocèse de Hasselt (French) Bistum Hasselt (German) Bisdom Hasselt (Dutch) |
| Country: | Belgium |
| Province: | Mechelen-Brussels |
| Metropolitan: | Archdiocese of Mechelen-Brussels |
| Area Km2: | 2,422 |
| Population: | 870,880 |
| Population As Of: | 2019 |
| Catholics: | 635,730 |
| Catholics Percent: | 73 |
| Denomination: | Catholic Church |
| Established: | 31 May 1967 |
| Cathedral: | St. Quentin's Cathedral in Hasselt |
| Bishop: | Patrick Hoogmartens |
| Bishop Title: | Bishop |
| Metro Archbishop: | Jozef De Kesel |
| Suffragan: | for one --> |
| Archdeacon: | for one--> |
| Map: | BisdomHasselt.png |
| Map Size: | 200 |
The Diocese of Hasselt (Latin: Dioecesis Hasseletensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Belgium. Comprising the whole of Belgian Limburg, the diocese was created in 1967 out of the Diocese of Liège.[1] It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Mechelen-Brussels. The cathedra is found within St. Quentin's Cathedral in Hasselt.