| Jurisdiction: | Diocese |
| Diphu | |
| Latin: | Dioecesis Diphuensis |
| Local: | दिफू के सूबा |
| Country: |  India |
| Metropolitan: | Guwahati |
| Province: | Guwahati |
| Rite: | Roman Rite |
| Cathedral: | Cathedral of the Risen Christ in Diphu |
| Parishes: | 28 |
| Area Km2: | 15,222 |
| Population: | 1,259,000 |
| Population As Of: | 2019 |
| Catholics: | 66,700 |
| Catholics Percent: | 5.3 |
| Bishop: | Paul Mattekatt |
| Metro Archbishop: | John Moolachira |
| Website: | Website of the Diocese |
The Roman Catholic Diocese of Diphu (Latin: Diphuen(sis)) is a diocese located in the city of Diphu in the ecclesiastical province of Guwahati in India.
| Year | Bishop | ||
|---|---|---|---|
| From | to | ||
| 14 February 2007 | 9 April 2011 | ||
| 12 March 2006 | 14 February 2007 | Bishop John Thomas Kattrukudiyil (Apostolic Administrator) | |
| (10 June 1994 | 7 December 2005 | Bishop John Thomas Kattrukudiyil | |
| 5 December 1983 | 4 March 1992 | ||