Roman Catholic Diocese of Jaffna Tags: Clerical Administrative Region, Diocese.The Diocese of Jaffna (Latin: Dioecesis Jaffnensis) is a Roman Catholic diocese for northern Sri Lanka that dates back as far as the time of St. Francis Xavier. The current bishop is Thomas Savundaranayagam. thumbnail area (km2) 4.4e+09 country Sri Lanka Established 17 February 1845 jurisdiction Diocese province Roman Catholic Archdiocese of Colombo Learn more... Loading...