Collin Chou (born 11 August 1967), sometimes credited as Ngai Sing, is a Taiwanese actor and martial artist.

Chou attended Pierce Community College in Los Angeles, United States.

[1] In Asian cinema, Chou has co-starred with Jet Li, Donnie Yen and Sammo Hung in martial arts films such as Fearless (2006), and Flash Point (2007).

He is also known for playing the antagonist Shang Wei in Hail the Judge (1994), which starred Stephen Chow and "Jade Warlord" in The Forbidden Kingdom (2008), which starred Jet Li and Jackie Chan.

Collin Chou starred in Alice Wu's The Half of It as Leah Lewis's father.