Heacock is a surname. Notable people with the surname include:
Jim Heacock (born 1948), American football player and coach Jon Heacock (born 1960), American football player and coach Mary Ann Heacock (1915–2011), American botanist Raymond Heacock (1928–2016), American aerospace engineer Seth G. Heacock (1857–1928), American politician Willard J. Heacock (1821–1906), American businessman and politician