Justine Dufour-Lapointe (born March 25, 1994) is a Canadian freestyle skier.
She is the reigning Olympic champion in the moguls event as well as the reigning world champion from 2015 event. This was also the first time that Canadian sisters stood together on the podium, and the fourth time ever, when her sister Chloe Dufour-Lapointe won silver in the same event. In winning the Olympics, she became the youngest freestyle skiing Olympic champion ever at nineteen years of age. Dufour-Lapointe was the FIS World Cup rookie of the year for the 2010–11 season. Dufour-Lapointe has also won a bronze medal in the moguls event at the 2013 FIS World Championships.