Har Swarup, FNA (9 December 1922 – 25 April 1981) was vice chancellor, academician, and scientist in the field of developmental biology and genetic engineering as well as an academician and teacher of molecular biology and biochemistry. He is known for his research at Oxford University on polyploidy, cloning, nuclear transfer and later for his many other researches such as the discovery of "ringed polysome figures" and on theories on gene expression changes with evolution and environment.