Arvind Mohan Kayastha (Hindi: अरविन्द मोहन कायस्थ) (born August 1, 1960) is an Indian Biologist. He has been a professor at Banaras Hindu University since 1990, and has been coordinator of its School of Biotechnology since 2013. He is a fellow of the National Academy of Sciences, India and the National Academy of Agricultural Sciences.