Sou Soi Lam (born 14 September 1989)[1] is a Macau karateka.

She won the silver medal in the women's kata event at the 2018 Asian Games held in Jakarta, Indonesia.

[1][2] In the same year, she also competed in the women's individual kata event at the 2018 World Karate Championships held in Madrid, Spain.

[3] She lost her bronze medal match at the 2022 Asian Karate Championships held in Tashkent, Uzbekistan.

[4] In 2023, she competed in the women's kata event at the 2022 Asian Games held in Hangzhou, China.