Mavila Vishwanathan Nair (born 3 March 1952) is the Chairman of the Credit Information Bureau of India Limited, India's largest credit bureau and the Chairman of SWIFT India (The Society for Worldwide Interbank Financial Telecommunication).
He is also the Chairman of Banker's Quotient Learning Solutions Group and is an advisor to select private equity and venture capital funded companies in India.
Previously a banker, Nair was one of the longest serving chairmen in the history of Indian banking, having served as chairman and managing director of Union Bank of India for six years and Dena Bank for one year.