Colin MacLeod or McLeod may refer to: Colin Munro MacLeod (1909–1972), Canadian-American geneticist Colin William MacLeod (1943–1981), British classical scholar, educator and author Colin McLeod (engineer) (1921–2018), New Zealand civil engineer Colin Murdo Macleod (1966–2005), founder of GalGael Trust Colin MacLeod, the lead character of Highlander: The Search for Vengeance