| Jurisdiction: | Diocese |
| Trincomalee-Batticaloa | |
| Latin: | Dioecesis Trincomaliensis-Batticaloaensis |
| Local: | திருகோணமலை மட்டக்களப்பு மறைமாவட்டத்தின் |
| Country: | Sri Lanka |
| Province: | Colombo |
| Metropolitan: | Colombo |
| Area Km2: | 8,397 |
| Population: | 1,607,865 |
| Population As Of: | 2010 |
| Catholics: | 78,518 |
| Catholics Percent: | 4.9 |
| Denomination: | Roman Catholic |
| Rite: | Latin Rite |
| Established: | 25 August 1893 |
| Cathedral: | St. Mary’s Cathedral, Trincomalee |
| Bishop: | Noel Emmanuel |
| Metro Archbishop: | Malcolm Ranjith |
| Emeritus Bishops: | Kingsley Swampillai |
The Diocese of Trincomalee (Latin: Dioecesis Trincomaliensis) is a Roman Catholic diocese for eastern Sri Lanka. The current bishop is Noel Emmanuel.
The Diocese of Trincomalee was created on 25 August 1893 from parts of the Archdiocese of Colombo and the Diocese of Jaffna.[1] In the Eastern Province of Sri Lanka there were two abandon regions.According to the report of Rev.FR Etinne Sameria (omi), in 1850, in Trincomalee there were five churches with 1500 Catholics. Every Sunday Sermon delivered in English and Tamil [2]
The diocese was renamed Diocese of Trincomalee–Batticaloa on 23 October 1967. On 19 December 1975 parts of the diocese were transferred to newly created Apostolic Prefecture of Anuradhapura. The diocese was renamed Diocese of Trincomalee on 3 July 2012 after parts of the diocese were transferred to newly created Diocese of Batticaloa.
| Bishop | Took office | Left office | ||
|---|---|---|---|---|
| 1st | 1898 | 1913 | ||
| 2nd | Gaston Robichez | 1917 | 1946 | |
| 3rd | Ignatius Philip Trigueros Glennie | 1947 | 1974 | |
| 4th | 1974 | 1983 | ||
| 5th | 1983 | 2015 | ||
| 6th | 2015 |