Hadley is both a surname and a given name (both male and female). Notable people with the name include:
Surname:
Arthur Twining Hadley (1856–1930), American economist
George Hadley, meteorologist
George Hadley (footballer) (1893–1963), Scottish footballer with Southampton, Aston Villa and Coventry City
Harry Hadley (1877–1942), England international footballer
Henry Hadley (died 1914), "first British casualty" of World War I
Henry Kimball Hadley, US composer
Herbert S. Hadley (1872-1927), Governor of Missouri
Jackson Hadley, American businessman and politician
Jerry Hadley (1952–2007), American opera tenor
John Hadley, astronomer
John Hadley (chemist), chemist
Patrick Hadley, British composer
Ray Hadley, Australian radio broadcaster
Stephen Hadley, United States National Security Advisor
Tony Hadley, British pop singer and lead voice of Spandau Ballet during the 1980s
William M. Hadley, American educator
Given name:
Hadley Fraser, British theatre actor
Hadley Freeman, UK fashion journalist
Hadley Richardson, first wife of Ernest Hemingway, grandmother to Margaux and Mariel Hemingway
Hadley Wickham, data scientist and software developer
Fictional characters:
Remy "Thirteen" Hadley, character in the TV series House
