Hicklin is a surname. Notable people with the surname include:
Aaron Hicklin, American magazine editor Ashley Hicklin (born 1985), English singer-songwriter Barbara Roe Hicklin (1918–2010), Canadian painter Benjamin Hicklin (1818–1909), English solicitor and mayor Edwin Richley Hicklin (1895–1963), American judge and politician
See also Hicklin test, a legal test Hicklin Lake