Bhupendranath Datta (4 September 1880 – 25 December 1961) was an Indian revolutionary and later a noted sociologist and anthropologist. He associated Rishi Aurobindo in his political works. In his youth, he was closely associated with the Jugantar movement, serving as the editor of Jugantar Patrika till his arrest and imprisonment in 1907. In his later revolutionary career, he was privy to the Indo-German Conspiracy. His elder brother was Swami Vivekananda. The Asiatic Society today holds the Dr. Bhupendranath Datta memorial lecture in his honour
Datta was a writer too. He wrote several books on Indian culture and society. He wrote a book named “Swami Vivekananda, Patriot-prophet”.