Zoi Katherine Sadowski-Synnott is a New Zealand snowboarder, specialising in slopestyle and big air competitions. She won the gold medal in the women's slopestyle and silver in the big air at the 2022 Winter Olympics, becoming New Zealand's first gold medallist and first to win multiple medals at the Winter Olympics. She also won the bronze medal in the women's big air at the 2018 Winter Olympics, and won the women's slopestyle title at the 2019 World Championships.

Snowboarding is a recreational and competitive activity that involves descending a snow-covered surface while standing on a snowboard that is almost always attached to a rider's feet. It features in the Winter Olympic Games and Winter Paralympic Games.