Jeux olympiques d'hiver
Lydia Lassila (née Ierodiaconou) (born 17 January 1982) is an Australian Olympic freestyle skier gold medalist who competed in the 2002 Winter Olympic Games in Salt Lake City, the 2006 Winter Olympic Games in Turin, the 2010 Winter Olympic Games in Vancouver, the 2014 Winter Olympic Games in Sochi, Russia, and the 2018 Winter Olympic Games in Pyeongchang, South Korea. She is the 2010 Olympic champion and the 2014 bronze medalist.