McHardy is a surname. Notable people with the surname include:
Alexander Anderson McHardy (1868–1958), British Army general Allan McHardy (1914–1986), Australian rules footballer Emmet Charles McHardy (1904–1933), New Zealand Catholic missionary Fiona McHardy, English classical scholar George McHardy (fl. 1890s), Scottish footballer Hugh McHardy (fl. 1885), Scottish international footballer Flynn McHardy (born 2007), British racing driver Iain McHardy (1913–2000), Scottish clergyman Roger McHardy (1952-2006), Australian rules footballer Scott McHardy (born 1970), New Zealand cricketer Todd McHardy (born 1977), Australian rules footballer William McHardy (1911–2000), Scottish biblical scholar William McHardy (diamond magnate) (1846–1913), Scottish-South African diamond magnate
Other uses
Geniatech v. McHardy, a 2018 German court case looking at licensing infringements in relation to the Linux kernel