Greg Mackey (20 October 1961 – 24 September 2014) was an Australian professional rugby league player from 1980 until 1996. He played as a five-eighth, fullback, winger and centre. He also captained some of his teams. He played for the South Sydney Rabbitohs, Paris Châtillon XIII, the Illawarra Steelers, the Canterbury-Bankstown Bulldogs, the Warrington Wolves and Hull.