Stephen Philip Cohen (1936 – October 27, 2019) was an American political scientist and professor of security studies. He was a prominent expert on India, Pakistan and South Asian security, He was a senior fellow in foreign policy studies at the Brookings Institution and an emeritus professor at the University of Illinois at Urbana-Champaign. He authored, co-authored or edited at least 12 books, and named as one of America's 500 most influential people in foreign affairs, and was a fixture on radio and television talk shows.