Nihar Ranjan Gupta (Bengali: নীহার রঞ্জন গুপ্ত, pen name: Banbhatta (বানভট্ট); 6 June 1911 – 20 February 1986) was an Indian dermatologist and a popular Bengali novelist. During the Second World War Gupta served as an army doctor and was posted to various places, including Chittagong, Burma and Egypt. After the war he completed post-graduate studies in the United Kingdom, specialising in dermatology. On his return he joined the Calcutta Medical College. In his career as a physician he was associated with several hospitals in India. After the Partition, his family permanently migrated to Kolkata, West Bengal in 1947.