Martin Lipton (born June 22, 1931) is an American lawyer, a founding partner of the law firm of Wachtell, Lipton, Rosen & Katz specializing in advising on mergers and acquisitions and matters affecting corporate policy and strategy. From 1958–1978 he taught courses on Federal Regulation of Securities and Corporation Law as a lecturer and adjunct professor of law at New York University School of Law.