Prelates
- Roger Adrian Herft - Current Anglican Archbishop of Perth, Australia
- Kollupitiye Mahinda Sangharakkhitha Thera - Chief Incumbent (Priest) of the Kelaniya Raja Maha Vihara (note: - Also listed in Academics)
- Duleep De Chickera - His Lordship the current Bishop of Colombo (note: - Also listed in Educationalists)
- Harold De Soyza - First Ceylonese Bishop of Colombo
- Cyril Abeynaike - former Bishop of Colombo
- Kenneth Fernando - former Bishop of Colombo
- Lakdasa De Mel - First Bishop of Kurunegala
- Lakshman Wickremasinghe - Bishop of Kurunegala & youngest Bishop in the Church of England
- Canon Ivan Corea - Rural Dean of Colombo
- Duleep Fernando - Former President of the Methodist Church of Ceylon
- Francis Lorenz Beven - former Archdeacon of Colombo
- Lokendra Abhayaratne - Archdeacon of Galle
Read more about this topic: List Of Royal College Colombo Alumni