Ken Buchanan was a Scottish professional boxer who competed between 1965 and 1982. He held multiple championships at lightweight; the World Boxing Association (WBA) and Ring magazine titles from 1970 to 1972; and the World Boxing Council (WBC) title in 1971, briefly reigning as undisputed champion until being stripped of the WBC title four months later. At regional level he held the British title twice in 1968 and 1973, and the European title from 1974 to 1975.