Lui Lai Yiu (born 30 November 1994) is an athlete from Hong Kong specialising in the sprint hurdles.

[2] She won a bronze medal at the 2018 Asian Games.

She also won a gold medal at the 2017 Asian Indoor and Martial Arts Games.

[3] Her personal bests are 13.32 seconds in the 100 metres hurdles (+1.3 m/s, Doha 2019) and 8.41 seconds in the 60 metres hurdles (Ashgabat 2017).

This biographical article relating to Hong Kong athletics is a stub.