Mark Gregory Horo (born 27 March 1963) is a New Zealand rugby league coach and former footballer who played in the 1980s and 1990s. A New Zealand international representative, he played club football in New Zealand for Te Atatu and in Australia for Parramatta and Wests before finishing his career back in Auckland with the Warriors. Horo coached in New South Wales and is the co-coach of the New Zealand Māori team.