Prabir Ghosh (1 March 1945 – 7 April 2023) was the founder and president of Bharatiya Bigyan O Yuktibadi Samiti, a science and rationalists' association based in Kolkata, India.

[10] On 1 March 1985, Ghosh along with other Kolkata based Bengali rationalists founded the Bharatiya Bigyan O Yuktibadi Samiti.

He organised a long-term campaign against people with so-called supernatural powers.

In 1999, Prabir Ghosh quit his job of State Bank of India.

[11][12] Similar to James Randi's One Million Dollar Paranormal Challenge, Ghosh offered a prize of ₹5 million[13] (US$ 78,600 approx) to anyone who can demonstrate supernatural power of any kind without resorting to any trick, although he admitted that he personally does not possess such an amount of money.