**Ping Lam Siu** (蕭萍林, 1950 – 2017) was a Hong Kong character actor, known for his prolific career in genre cinema, particularly in antagonist roles. Active mainly in the 1980s and 1990s, he appeared in numerous iconic films, often portraying gangsters, henchmen, corrupt policemen, or ambiguous authoritarian figures.

Among his most celebrated collaborations were those with directors like John Woo and Ringo Lam. He is remembered for his performances in action masterpieces such as John Woo's *The Killer* (1989) and *A Better Tomorrow* (1986), and Ringo Lam's *City on Fire* (1987).

His distinctive style, often brutal but with shades of irony, made him an unforgettable and versatile screen presence, a pillar of Hong Kong cinema's golden era.