Michael Leifer (November 15, 1933 – March 21, 2001) was a British International Relations scholar specialising in the politics and international relations of South East Asia.He was a professor of international relations at the London School of Economics and also served as its pro-director from 1991-1995.Leifer studied Political Economy at the University of Reading and subsequently took his doctorate at the London School of Economics in 1959 with a dissertation on "Zionism and Palestine in British Opinion and Policy, 1945-1949".
He was awarded the CMG (Companion of the Order of St. Michael and St. George) in the 2000 Queen's Millennium Honours List for his services to United Kingdom-South East Asian Relations.