Ranjit Roy Chaudhury, was an Indian clinical pharmacologist, medical academic and health planner who headed the National Committee for formulating the policy and guidelines on drugs and clinical trials in India. He was the chairman of the joint programme of the World Health Organization and Government of India on Rational Use of Drugs in India. He was the founder president of the Delhi Medical Council and the president of the Delhi Society for Promotion of Rational Use of Drugs.
