Ireen Wüst (Dutch pronunciation: ; born 1 April 1986) is a Dutch long track allround speed skater.
Wüst is the youngest Dutch Olympic champion in the history of the Winter Games. At the age of nineteen, on 12 February 2006, she won the gold medal at the 2006 Winter Olympic Games 3000 metre event; four years later at the 2010 Winter Olympic Games she won the 1500 metre event; at the 2014 Winter Olympic Games she won two gold and three silver medals, making her the most decorated athlete at the Sochi Games. Following her most recent victory in the 1500 metres at the 2018 Winter Olympics she has won a record eleven Olympic medals, more than any other speed skater, making her the most successful athlete of the Netherlands at the Olympics. She is also a six-time world allround champion, a thirteen-time world single distance champion, and a five-time European allround champion. In 2014, she was elected by Reuters as the Sportswoman of the World.