Sean Lau Ching-Wan ( ; born February 16, 1964) is a Hong Kong film and former television actor who has been cast in many Hong Kong films since the late 1980s.

Lau was born in Guangdong province of China. He joined the TVB acting classes in 1983 and made his first appearance on TV the following year with TV drama Draw Out the Rainbow. Dark-skinned with no matinee-star look, he struggled to be cast until in the immensely popular stock market drama The Greed of Man (1992) when he acted opposite to Adam Cheng. His wife, former (1991) Miss Hong Kong Amy Kwok, is a well-known former television actress.