Darlington is a surname. Notable people with the surname include:

Abel Darlington (1810–1897), American politician from Pennsylvania Adam de Darlington or Derlingtun, 13th century English churchman based in Scotland Annie McCarer Darlington (1836–1907), American poet Charles Darlington, (1901–1986) U.S. ambassador to Gabon Christy Darlington, (born 1972) American musician C. D. Darlington, (1903–1981) English biologist Edward Darlington (1795–1884), member of the U.S. House of Representatives from Pennsylvania Hannah Darlington (born 2002), Australian cricketer Hannah M. Darlington (1808–1890), American suffragist, abolitionist, and temperance activist Ian Darlington, (born 1977) English cricketer Isaac Darlington (1781–1839), member of the U.S. House of Representatives from Pennsylvania James Henry Darlington (1856–1930), first Episcopal bishop of Harrisburg, Pennsylvania Jay Darlington, (born 1968) English keyboardist Jeff Darlington, (born 1981) American sportswriter Jennie Darlington (1924–2017), Canadian explorer Jermaine Darlington, (born 1974) English association footballer Jonathan Darlington, (born 1956) British conductor Joseph Darlington (1765–1851), representative in the Legislature of the Northwest Territory (later Ohio) Kevin Darlington, (born 1972) Guyana-born American cricketer Mike Darlington (born 1989), CEO of Monstercat P. Jackson Darlington Jr. (1904–1983), American entomologist and naturalist Ralph Darlington, (born 1960s) Professor of Employment Relations at the University of Salford, England R. R. Darlington, British historian Sidney Darlington, (1906–1997) American electrical engineer Darlington transistor, his invention Smedley Darlington (1827–1899), member of the U.S. House of Representatives from Pennsylvania Stephen Darlington, (born 1950s) British choral director and conductor Tenaya Darlington, (born 1971) American poet Ty Darlington (born 1994), American football player William Darlington (1782–1863), member of the U.S. House of Representatives from Pennsylvania