McClintock is a surname of Scottish and Irish Gaelic origin, deriving from an anglicization of a Gaelic name variously recorded as M'Ilandick, M'Illandag, M'Illandick, M'Lentick, McGellentak, Macilluntud, McClintoun, Mac Illiuntaig from the 14th century onward. The name is found mostly in Counties Donegal. The surname McClinton is an anglicization of the same Gaelic name. Notable people with the surname include:
Anne McClintock (born 1954), feminist scholar in Zimbabwe
Barbara McClintock (1902-1992), American scientist who won the Nobel Prize for Medicine
Barbara McClintock (illustrator) (born 1955), American artist
Byron McClintock (born 1930), American Abstract Expressionist artist
Charles B. McClintock (1886–1965), American politician from Ohio
Cynthia McClintock (born 1945), prominent American scholar of Latin America and professor of political science and international affairs
Dan McClintock (born 1977), American professional basketball player
Eddie McClintock (born 1967), American actor
Elizabeth McClintock (1912-2004), American botanist
Emory McClintock (1840–1916), American actuary
Francis Leopold McClintock (1819–1907), Irish explorer
Frank A. McClintock (1921–2011), Professor of Mechanical Engineering, MIT
Frank McLintock (born 1939), Scottish footballer
Harry McClintock (1882–1957), American musical composer
Herbert McClintock (1906–1985), Australian social realist artist
Jacob McClintock (born 1988), American martial arts athlete
James H. McClintock (1864–1934), American author
Jessica McClintock (born 1930), American clothing designer
John McClintock (police commissioner) (1874–?), Deputy Police Commissioner of New York City
John McClintock (1743–1799), Irish MP for Enniskillen 1783–90, for Belturbet 1790–97
John McClintock (theologian) (1814–1870), American theologist and educator, co-author of McClintock & Strong's Cyclopedia
John McClintock, 1st Baron Rathdonnell (1798–1879), Irish peer and Conservative Member of Parliament
John McClintock (1770–1855), Irish MP for Athlone 1820, for County Louth 1830–31
John McClintock (Royal Navy officer) (1874–1929), British admiral
Jonas R. McClintock (1808–1879), American politician in Pennsylvania
Kenneth McClintock (born 1957), Puerto Rican politician
Martha McClintock (born 1947), American psychologist
Norah McClintock (born c. 1965), Canadian author
Peter V. E. McClintock (born 1940), British physicist
Poley McClintock (1900–1980), American musician
Rembrandt McClintock (born c. 1900), Australian lithographer
John G. McClintock (born 1909 - 1996) Chief of Apollo office program control division; NASA; Head of Skylab, Apollo and Gemini Missions.
Ronald McClintock (1892-1922), British World War I flying ace
Steven McClintock (born 1953), American musician
Tom McClintock (born 1956), American politician (California)
William C. McClintock (1845–?), American newspaper publisher
