Bhabatarak Bhattacharyya (born 1944), popularly known as Bablu Bhattacharyya, is an Indian structural biologist, biochemist and academic, known for his studies on the colchicine-tubulin interaction. He is a former professor and the head of the department of biochemistry at the Bose Institute, Kolkata and an elected fellow of the Indian Academy of Sciences, Indian National Science Academy, National Academy of Sciences, India and The World Academy of Sciences. The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, in 1988, for his contributions to biological sciences.