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)
Sir Hugh Hamersley (1565–1636), 17th century businessman and Lord Mayor of London
Michael Hamersley, American tax lawyer and corporate whistleblower against the accounting firm KPMG's tax shelter fraud