Maharaja Vibhuti Narayan Singh (5 November 1927 – 25 December 2000) was the king of Benares, a city considered holy, located in the Indian state of Uttar Pradesh.

He was adopted in June 1934 by Maharaja Aditya Narayan Singh (1874–1939), the King of Benares.

He received his master's degree in Sanskrit from Banaras Hindu University, Varanasi, where he studied with the famous grammarian, Vagish Shastri.

[3] On 28 January 1983 the Vishwanath Temple was taken over by the government of Uttar Pradesh and its management was transferred to a trust of which Singh was president.

[5] An intermediate college is named after him in Gyanpur and another in Surajpur at Mau district in Uttar Pradesh.