Erected as Diocese of Galle, separating from the Archdiocese of Colombo in 1893, which is suffragan to the Archdiocese of Colombo. This diocese was made out of the present diocese of Galle and the Diocese of Ratnapura.
Ordinary
- Most Rev. Dr. Raymond Wickrmasinghe
Diocesan Director of Education
- Rev. Fr. Lalith Fernado
Notable Schools
| Name | Year | Location | Age |
|---|---|---|---|
| St. Aloysius’ College | 1895 | Galle | 125 |
| Sacred Heart Convent | 1896 | Galle | 124 |
| St. Servatius’ College | 1897 | Matara | 123 |
| St. Mary’s Convent | 1908 | Matara | 112 |
Bishops
- Most Rev. Dr. Joseph Van Reeth SJ, Bishop of Galle from 1895 – 1923
St. Aloysius’ College, Galle
Sacred Heart Convent, Galle
St. Servatius” College, Matara
St. Aloysius’ College, Ratnapura
St. Joseph’s Convent, Kegalle
- Most Rev. Dr. Nicholas Laudadio SJ, Bishop of Galle from 1934 – 1964
Infant Jesus Convent, Ratnapura
- Most Rev. Dr. Anthony de Saram, Bishop of Galle from 1965 – 1982
- Most Rev. Dr. Don Sylvester, Bishop of Galle from 1982 – 1995
- Most Rev. Dr. Elmo Perera, Bishop of Galle from 1995 – 2004
- Most Rev. Dr. Harold Anthony Perera, Bishop of Galle from 2005 – 2009
- Most Rev. Dr. Raymond Wickrmasinghe, Bishop of Galle from 2011 –
