Narender K. Sehgal (7 November 1940 - 7 September 2020) was an Indian physicist, scientific administrator, and science populariser.
He worked as Scientific Officer in the Theoretical Reactor Physics Division of Bhabha Atomic Research Centre.
He was head of the National Council for Science and Technology Communication (NCSTC) and later Vigyan Prasar, where he remained until his retirement in 2000.
In 1963 he found an opportunity to join the University of Hawaiʻi at Mānoa in Honolulu, in United States, from where he obtained his MSc in particle physics in 1965.
After two years he got appointment in 1978 at the Space Applications Centre (SAC) of ISRO in Ahmedabad as a visiting scientist.
He became Director of the newly established the National Council for Science and Technology Communication (NCSTC), and later of Vigyan Prasar.