Paul Breslin is a geneticist and biologist.
He is most notable for his work in taste perception and oral irritation, in humans as well as in Drosophila melanogaster, the common fruit fly.
He is a member of the faculty at the Monell Chemical Senses Center and acts as director of the Science Apprenticeship Program. He is a professor in the Department of Nutritional Sciences at Rutgers, the State University of New Jersey. Breslin and two colleagues discovered that Oleocanthal, a compound found in extra-virgin olive oil kills a variety of human cancer cells without harming healthy cells.