This is about the surname "Clark"; for other uses, see Clark (disambiguation).
Clark was the original English spelling version of Scottish Gaelic Clèireach, which was in turn derived from Latin clericus meaning "cleric"/"clergyman". Clark was originally spelled Clerk when it first entered English from Scottish Gaelic. See Clerk for further details on the name's origins.
Notable persons with the surname Clark
- Abraham Clark (1725–1794), American politician and Revolutionary War figure
- Adam Clark (1811-1866), Scottish engineer, supervised construction of the Széchenyi Chain Bridge, Budapest
- Allen George Clark (1898 – 1962) British businessman.
- Anne Clark (born 1960), poet-songwriter
- Bob Clark (Benjamin "Bob" Clark) (1941 – 2007), American director
- Buddy Clark (1911–1940), American singer
- Carmel Clark (born 1965), New Zealand swimmer
- Catherine Clark (born 1976), Canadian television host
- Chris Clark (electronic musician), signed to Warp Records
- Colin Clark, British economist
- David L. Clark, confectioner
- Davis Wasgatt Clark (1812–1871), Bishop of the Methodist Episcopal Church
- Daniel Clark, Canadian actor
- Dwight Clark, American Football Player
- Frank M. Clark (1915-2003), US Congressman from Pennsylvania
- several people named George Clark
- Ginger Clark (1879-1943), Major League Baseball pitcher
- Glenn Clark, coach of Toronto Rock
- Helen Clark (born 1950), Prime Minister of New Zealand
- Hilda Clark (1872-1932), first Coca-Cola advertising spokesperson
- Hilda Margery Clarke (born 1926), English painter and curator
- several people named James Clark
- Isabella Clark, wife of Prime Minister of Canada Sir John A. Macdonald
- Joe Clark (born 1939), Prime Minister of Canada
- Joetta Clark (born 1962), American middle distance runner
- several people named John Clark
- several people named Joseph Clark
- Katy Clark (born 1967), British politician and trade union official
- Kenneth Clark (psychologist)(1914–2005), African American psychologist who testified in Brown v. Board of Education
- Sir Kenneth Clark(1902–1979), British art historian and creator of the series Civilisation
- Mark Wayne Clark (1896–1984), United States Army general during World War II
- Otey Clark (born 1915), Major League Baseball pitcher
- Ramsey Clark (born 1927), American Attorney General, activist
- Ranza Clark (born 1961), Canadian middle distance runner
- Ryan Clark, American lead singer for the Christian Heavy metal band Demon Hunter
- Samuel Clark (1800-1870), U.S. politician
- Samuel Delbert Clark (1910-2003), Canadian sociologist
- Steve Clark (1960-1991), guitarist for Def Leppard
- Stuart Clark (born 1975), Australian Cricketer
- several people named Thomas Clark
- Tom Clark, Canadian television journalist
- Tom C. Clark (1899–1977), Attorney General of the United States, Justice of the Supreme Court of the United States, father of Attorney General Ramsey Clark
- Wendel Clark (born 1966), retired Canadian ice hockey player
- Wesley K. Clark (born 1944), 4-Star General, US Army
- Wilfrid Le Gros Clark (1895-1971), palaeanthropologist
- Will Clark (born 1964), American baseball player
- several people named William Clark
- The Clark Sisters, American gospel vocalists from Detroit


