Hartney is a surname. Notable people with the surname include:
Brendan Hartney (born 1958), Australian rules footballer Harold Evans Hartney (1888–1947), Canadian-born American World War I flying ace Harold Hartney (footballer) (1909–1963), Australian rules footballer James Hartney (1848–1924), Canadian politician Jordan Hartney (born 1988), Canadian swimmer Seán Hartney (1902–1974), Irish politician