| Jurisdiction: | Diocese |
| Tula | |
| Latin: | Dioecesis Tullanensis |
| Local: | Diócesis de Tula |
| Country: | Mexico |
| Metropolitan: | Tula de Allende |
| Province: | Province of Tulancingo |
| Area Sqmi: | 3,201 |
| Population: | 1,287,000 |
| Population As Of: | 2010 |
| Catholics: | 1,025,000 |
| Catholics Percent: | 79.6 |
| Parishes: | 45 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 27 February 1961 (years ago) |
| Cathedral: | Cathedral of St. Joseph |
| Bishop: | Juan Pedro Juárez Meléndez |
| Metro Archbishop: | Domingo Díaz Martínez |
| Map: | Diócesis de Tula.svg |
The Roman Catholic Diocese of Tula (Latin: Dioecesis Tullanensis) (erected 27 February 1961) is a suffragan diocese of the Archdiocese of Tulancingo. It was a suffragan of the Archdiocese of México until 25 November 2006.