Mewa Singh (born 11 April 1951) is an Indian primatologist,[1][2] ethologist, and conservation biologist.

Yet he is popular and revered for coordinating courses in Evolution, Genetics, Animal Behavior, Conservation Biology and Statistics not only in his department at the University of Mysore but at academic schools, conferences and faculty refresher courses throughout the country.

A new night frog Nyctibatrachus mewasinghi has been named after him which is endemic to the Western Ghats.

[8] Singh's research centers on primate social behavior, including conflict resolution, cooperation, inequity aversion,food-sharing, primate bereavement, etc.

[9][10] Singh also studies the viability of primate populations[11] and is frequently quoted in the media as an expert in this area.