Alysa Liu (born August 8, 2005) is an American figure skater. She is the 2026 Winter Olympic champion in both women's singles and in the team event, the 2025 World champion, the 2022 World bronze medalist, the 2025–26 Grand Prix Final champion, a two-time Grand Prix medalist, a four-time Challenger Series champion, and a two-time U.S. national champion.

At the junior level, Liu was the 2020 World Junior bronze medalist, the 2019–20 Junior Grand Prix Final silver medalist, a two-time Junior Grand Prix champion, and the 2018 U.S. junior national champion. In 2019, Liu, then 13, became the youngest-ever U.S. women's national champion. The following year, she became the youngest skater to win two senior national titles, the first woman to win consecutive U.S. titles since Ashley Wagner in 2012 and 2013 and the first woman to win the junior and senior titles back-to-back since Mirai Nagasu in 2008.

Following a period of retirement, she won a world title at the 2025 World Championships, becoming the first U.S. woman to do so since Kimmie Meissner in 2006. At the 2026 Winter Olympics, she became the first American woman to win an individual medal since Sasha Cohen in 2006, as well as the first American gold medalist since Sarah Hughes in 2002.

An accomplished jumper, Liu was the first woman to complete a quadruple jump and a triple Axel in the same program, and the first to land a triple Axel-triple toe loop combination in the short program. She was the first American woman to land a quadruple jump and the first American junior woman to complete a triple Axel in international competition. In 2019, Liu was named to the inaugural Time 100 Next under the "Phenoms" section.

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