Macmilton "Mac" Marcoux (born 20 June 1997) is a Canadian Paralympic alpine skier who won three titles at the IPC Alpine Skiing World Cup at the age of 15. With guide Robin Femy, he won three medals in alpine skiing at the 2014 Winter Paralympics, including gold in the men's visually impaired giant slalom. He also has numerous awards including being inducted into the Sault Ste. Marie Walk of Fame. He has an older brother and a younger sister. He also enjoys riding BMX and mountain bikes.