Harlan Ellison (b. 1934), American writer

John Marshall Harlan II (1899-1971), U.S. Supreme Court Justice

John Marshall Harlan (1833-1911), U.S. Supreme Court Justice

Harlan Fiske Stone (1872-1946), U.S. Supreme Court Justice

Harlan County, Kentucky

Josiah Harlan (1799-1871), American adventurer

Byron B. Harlan (1886-1949), American attorney and politician

Harlan, Kentucky

Harlan Records, a record label

Harlan County, Nebraska

Harlan Township, Warren County, Ohio

Harlan, Iowa

Harlan Coben (b. 1962), American novelist

Kevin Harlan (b. 1960), American sports announcer

Christiane Harlan (b. 1932), German actress, dancer, painter and singer

Harlan K. Ullman (b. 1941), United States military officer and political author

James Harlan (senator), (1820-1899), American politician from Iowa

Bob Harlan, Chairman and CEO of the NFL's Green Bay Packers

Harlan County, USA, documentary film

Harlan J. Brothers, American inventor, mathematician, and musician

Harlan Judd, the main character of Eyes (TV series).

Veit Harlan (1899-1964), German film director and actor

Russell Harlan (1903-1974), American cinematographer

Thomas Harlan (b. 1964), American science fiction/fantasy writer

Harlan Cohen (b. 1934), American volleyball coach

John Harlan, American announcer

Byron G. Harlan (1861–1936), American singer

Jessie Harlan Lincoln (1875-1948), granddaughter of Abraham Lincoln

James Harlan (congressman), fl. 1830s, American politician from Kentucky

Harlan Marbley (b. 1943), American boxer

Jan Harlan, American film producer and director

Richard Harlan (1796-1843), American naturalist

Harlan, an artificial intelligence in the Stargate SG-1 episode "Tin Man"