Deshamanya Ponna Wignaraja (1926) is a Sri Lankan academic, economist and social scientist.
He was the Coordinator of South Asian Perspectives Network Association (the "SAPNA"), entity with ties of the United Nations University, and prior to that the Secretary-general of the Society for International Development at Rome (Italy).
After Wignaraja received graduate degree in United States at Yale University.
[2][3] In 1993, Ponna Wignaraja was awarded the highest civilian honour for national service in Sri Lanka: the honorifical title named Deshamanya.
[3] He is father of the Sri Lankan researcher and economist Ganeshan Wignaraja.