Prof. Baij Nath Puri (B. N. Puri) (born 25 January 1916) is a historian from India. He completed M. Lit. and D. Phil from Oxford University. He is vice-president and member of the International Board of Editors for the history of Civilizations in Central Asia at the UNESCO, and remained President of Indian History Congress (Guwahati Session). He has also been Professor and Head of the Department of Ancient Indian History and Culture at the Lucknow University and later a Professor Emeritus.