| Jurisdiction: | Diocese |
| Warangal | |
| Latin: | Dioecesis Varangalensis |
| Country: | India |
| Local: | वारंगल के सूबा |
| Rite: | Latin Rite |
| Cathedral: | Our Lady of Fatima Cathedral, Fatimanagar |
| Area Km2: | 24,702 |
| Population: | 7,724,845 |
| Population As Of: | 2010 |
| Catholics: | 66,385 |
| Catholics Percent: | 0.9 |
| Bishop: | Udumala Bala Showreddy |
| Metro Archbishop: | Anthony Poola |
The Roman Catholic Diocese of Warangal (Latin: Varangalen(sis)) is a diocese located in the city of Warangal in the ecclesiastical province of Hyderabad in India.