| Jurisdiction: | Diocese |
| Jamshedpur | |
| Latin: | Dioecesis Iamshedpurensis |
| Rite: | Latin Rite |
| Cathedral: | Cathedral of St Joseph-the-Worker, in Jamshedpur |
| Parishes: | 38 |
| Established: | 2 July 1962 |
| Area Km2: | 21,003 |
| Population: | 11,830,000 |
| Population As Of: | 2022 |
| Catholics: | 73,000 |
| Catholics Percent: | 0.6 |
| Bishop: | Telesphore Bilung, S.V.D. |
| Website: | jamshedpurdiocese.org |
The Roman Catholic Diocese of Jamshedpur (Latin: Iamshedpuren(sis)) is a diocese located in the city of Jamshedpur in the ecclesiastical province of Ranchi in India.