Hamersley is a surname. Notable people with the surname include:
Hamersley family, Australian family including: Edward Hamersley (senior) (1810–1874) Edward Hamersley (junior) (1835 or 1836 – 1921) Samuel Hamersley (1842–1896) Vernon Hamersley (1871–1946) Catherine Livingston Hamersley (1891–1977) philanthropist, society figure, and the first American woman to visit the Najd city of Riyadh Harold A. Hamersley (1896–1967), Australian World War I flying ace Sir Hugh Hamersley (1565–1636), 17th century businessman and Lord Mayor of London J. Hooker Hamersley (1844–1901), American heir, lawyer and poet during the Gilded Age. Louis Gordon Hamersley (1892–1942), American sportsman, piloting and racing boats, and real estate investor Michael Hamersley, American tax lawyer and corporate whistleblower against the accounting firm KPMG's tax shelter fraud