Educationalists
- J.C.A. Corea - First Sri Lankan Principal of Royal College, Colombo (1946–1953)
- Dudley K G de Silva - Principal of Royal College, Colombo (1954–1966) and Director of Technical Education, Ministry of Education
- Mohan Lal Grero - Founder of the Lyceum International School (note: - Also listed in Legislators)
- Peter De Abrew - Co-founder and patron of Musaeus College
- Cedric Orlorff - Principal of Trinity College, Kandy (1957–1968) and Wesley College, Colombo
- E. C. Gunasekera - Vice Principal of Royal College, Colombo
- Duleep De Chickera - Sub-warden of S. Thomas' College, Mt Lavinia (note: - Also listed in Prelates)
- P. L. Jansz - Sub-warden of S. Thomas' College, Mt Lavinia
- Vijitha Weerasinghe - Deputy Principal of Royal College, Colombo & Mentor, Royal College Union
- E.F.C. Pereira - Senior Master of both Royal College and S. Thomas' College
Read more about this topic: List Of Royal College Colombo Alumni