Chandrasekaran Pandurangan (born September 20, 1955) is a computer scientist and academic professor of the Computer Science and Engineering Department at Indian Institute of Technology - Madras (IITM). He mainly focuses on the design of pragmatic algorithms, graph theory and cryptography. Pandu Rangan completed his B.Sc. from University of Madras in 1975. After obtaining B.Sc, he received his M.Sc. from the same university in 1977. He completed his PhD from IISc, Bangalore in 1984.