Erected as the Diocese of Ratnapura, separating from the territory of the Diocese of Galle 1995, the diocese is saffragan to the Archdiocese of Colombo.
Ordinary
- Most Rev. Dr. CletusPerera OSB
Diocesan Director of Education
- Rev. Fr. Jude Amila
Notable Schools
| Name | Year | Location | Age |
|---|---|---|---|
| St. Mary’s College | 1867 | Kegalle | 153 |
| St. Aloysius’ College | 1898 | Ratnapura | 122 |
| St. Joseph’s Convent | 1910 | Kegalle | 110 |
| Infant Jesus Convent | 1924 | Ratnapura | 96 |
| St. Agnes’ Convent | 1930 | Balangoda | 90 |
Bishops
- Most Rev. Dr. Malcolm Ranjith, Bishop of Ratnapura from 1995 – 2001
- Most Rev. Dr. Harold Anthony Perera, Bishop of Ratnapura from 2003 – 2005
- Most Rev. Dr. Cletus Chandrasiri OSB, Bishop of Ratnapura from 2007 –
