Mannaraswamighala Sreeranga Rajan (1920 – 17 February 2010) was an Indian academic who is widely acknowledged as the doyen of International Relations and Area Studies in India.

[3] Even though he enrolled for a PhD under the guidance of Leland M. Goodrich, he could not complete it since he was called back to India to oversee the construction of Sapru House, the headquarters of the Indian Council of World Affairs, in 1952.

Shortly after the ISIS was set up under the auspices of the ICWA in 1955, he took up position in 1959, first as Special Fellow, and subsequently as Professor of Commonwealth Studies.

He continued the rigorous standards set by Prof. Appadorai with the intention of making it one of the leading institutes of learning in the field of International Relations and Area Studies.

His focus areas were India's foreign policy, non-alignment and the role of international organisations, particularly the United Nations.