Derek Tsang Kwok-cheung (曾國祥; born 8 November 1979) is a Hong Kong filmmaker and actor.

[4] After graduation, Tsang moved back to Hong Kong, where his father arranged for him to work under director Peter Chan Ho-Sun.

There, he met producer Jojo Hui and director Jimmy Wan Chi-man, both of whom would go on to be Tsang's frequent collaborators.

He made his screen debut in Men Suddenly in Black (2003), cameoing as the younger version of his father's character.

[9] In July 2021, Tsang was invited to become a member of the Academy of Motion Picture Arts and Sciences.