Mahendra Prasad (8 January 1940 – 27 December 2021) was an Indian politician from Janata Dal (United) party, a Member of the Parliament of India representing Bihar in the Rajya Sabha. He was the richest Indian MP. Prasad also owned two pharmaceutical companies, Aristo Pharmaceuticals and Mapra Laboratories Pvt Ltd. He died at Apollo Hospital in Delhi on 27 December 2021, at the age of 81.