Samaresh Mitra (born 1937) is an Indian bioinorganic chemist and an INSA Senior Scientist at the Indian Institute of Chemical Biology (IICB). He is known for his researches on inorganic paramagnetic complexes and low-symmetry transition metal complexes and is an elected fellow of the Indian National Science Academy, the National Academy of Sciences, India and the Indian 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 1983, for his contributions to chemical sciences.