Mysore Doreswamy Madhusudan (Kannada: ಮೈಸೂರು ದೊರೆಸ್ವಾಮಿ ಮಧುಸೂದನ), Ph. D., is an Indian wildlife biologist and ecologist. He is the Co-founder and Director of Nature Conservation Foundation, Mysore and a Visiting Research Fellow at the University of Leeds. He has worked on understanding and mitigating the effects of human-wildlife conflict in the Nilgiri Biosphere Reserve in South India. He has also worked in several other forests in the Himalayas and North-east India. In 2004, he was one among the team of wildlife biologists who described Arunachal macaque, a new species of macaque from Arunachal Pradesh, India.