Kirsty Muir (born 5 May 2004) is a Scottish freestyle skier representing Great Britain who competed in the big air and slopestyle events at the 2022 Winter Olympics.

[9] She came second in the slopestyle event at the 2020–21 FIS Freestyle Ski World Cup competition in Aspen, Colorado, US.

[2] Muir competed in the big air and slopestyle events at the 2022 Winter Olympics.

[15] Muir came sixth in the slopestyle qualifying round,[16] and eighth in the final, one place ahead of fellow Briton Katie Summerhayes.

[21] She finished third at the Freeski Big Air World Cup event at Copper Mountain.