James Hadley may refer to:
James Hadley (scholar) (1821–1872), American scholar James Hadley (potter) (1837–1903), English potter Jack Hadley (James Roosevelt Hadley, born 1936), American curator Jim Hadley (1893–1971), Australian politician James Hadley (1989), American Scholar See also James Hadley Billington, American academic James Hadley Chase (1906–1985), English writer