Nathan Hart (born 4 March 1993) is an Australian track cyclist. He competed at the 2016 Olympic Games where he finished 4th in the Team Sprint with Matthew Glaetzer and Patrick Constable. He also competed at the 2014 Commonwealth Games where he finished 3rd in the Team Sprint with Shane Perkins and Matthew Glaetzer. He represented Australia at the 2015 UCI Track Cycling World Championships and the 2016 UCI Track Cycling World Championships.