Lydia Sham

Lydia Sham Hui Yu (; born 4 August 2000) is a wushu taolu athlete from Hong Kong.

Career Sham's international junior debut was at the 2012 World Junior Wushu Championships where she won a silver medal in qiangshu. At the 2014 championships, she won won a gold medal in daoshu. She later won a bronze medal in duilian at the 2016 Asian Wushu Championships with Yuen Ka Ying and He Jianxin. Two years later, she competed in the 2018 Asian Games and finished sixth in women's jianshu and qiangshu combined. The same year, she became the world junior champion in changquan and qiangshu and a bronze medalist in duilian at the 2018 World Junior Wushu Championships.

After the onset of the COVID-19 pandemic, her first competition was at the 2021 Summer World University Games (held in 2022) where she won a bronze medal in qiangshu. A year later, she competed in the 2022 Asian Games (held in 2023) and finished sixth again in women's jianshu and qiangshu combined. Shortly after, she won the gold medal in duilian with He Jianxin and Michelle Yeung and the silver medal in jianshu at the 2023 World Wushu Championships. Her high placements qualified her for the 2024 Taolu World Cup where she won medals of all colors in qiangshu, jianshu, and duilian. The same year, she also won two silver medals in jianshu and duilian at the 2024 Asian Wushu Championships and the gold medal in women's all-around at the 2024 World Games Series.

At the 2025 World Games, Sham won the gold medal in women's changquan, jianshu, and qiangshu all-around.