Dorairajan Balasubramanian, popularly known as Professor Balu, is an Indian biophysical chemist and ocular biochemist. He is a former President of Indian Academy of Sciences and a director of research at the Prof. Brien Holden Eye Research Centre of L. V. Prasad Eye Institute, Hyderabad. A recipient of the National Order of Merit (France), Balasubramanian was honored by the Government of India, in 2002, with the fourth highest Indian civilian award of Padma Shri