Mathew "Mat" Belcher, is an Australian sailor and a two-time Olympic gold medalist in the 470 dinghy, who currently competes with crew Will Ryan. In 2011, following World Championship and World Cup success, he and Malcolm Page were shortlisted by the International Sailing Federation for the ISAF World Sailor of the Year Awards. Belcher was selected as the Australian flag bearer for the closing ceremony of the 2020 Summer Olympics after winning a second gold medal and third successive medal in the 470 class.