Activists
- Ajith C. S. Perera - Dis-ability activist (note: - Also listed in Sports)
- Bala Tampoe - Trade unionist and General Secretary of the Ceylon Mercantile, Industrial and General Workers Union
- Percy Wickremasekera - Trade unionist and General Secretary of the United Corporations and Mercantile Union
- Kumar Ponnambalam (G. G. Ponnambalam Jr) - former Secretary of the All Ceylon Tamil Congress & prominent defence lawyer
Read more about this topic: List Of Royal College Colombo Alumni