Heisey is a surname. Notable people with the surname include:
A. H. Heisey (1842–1922), American businessman
Alan Heisey (born 1954), Canadian lawyer
Alan Milliken Heisey Sr. (1928–2014), Canadian writer, politician and activist
Chris Heisey (born 1984), American baseball player
Karl Brooks Heisey (1895-1937) Canadian mining engineer
Lawrence Heisey (1930–2009), Canadian businessman and philanthropist