| Jurisdiction: | Diocese |
| Chilaw | |
| Latin: | Dioecesis Chilavensis |
| Local: | சிலாபம் மறைமாவட்டம் |
| Country: | Sri Lanka |
| Province: | Colombo |
| Metropolitan: | Colombo |
| Area Km2: | 2,076 |
| Population: | 788,000 |
| Population As Of: | 1235 |
| Catholics: | 272,692 |
| Catholics Percent: | 34.6 |
| Established: | 5 January 1939 |
| Cathedral: | Cathedral of Our Lady of Mount Carmel in Chilaw |
| Patron: | Sacred Heart of Jesus |
| Bishop: | Arachchige Jayasuriya |
| Metro Archbishop: | Malcolm Ranjith |
| Suffragan: | for one --> |
| Vicar General: | Rev. Fr. Ashok Priyantha Perera |
| Episcopal Vicar: | Rev. Fr. Patrick Wijesinghe |
| Archdeacon: | for one--> |
| Website: | chilawdiocese.orghttps://chilawdiocese.org |
The Roman Catholic Diocese of Chilaw (Lat: Dioecesis Chilavensis) is a diocese of the Latin Church of the Roman Catholic Church in Sri Lanka.
Erected as the Diocese of Galle in 1939, the diocese is suffragan to the Archdiocese of Colombo. In 1995, part of the diocese was split off to form the Diocese of Kurunegala.
The current bishop is Warnakulasurya Wadumestrige Devasritha Valence Mendis, appointed in 2006.[1]