Happiness is a 2016 Hong Kong drama film directed and written by Andy Lo. Centred around the story of a cognitive disorder patient, the film stars Kara Wai, Carlos Chan and Cya Liu. It was released on 8 September 2016.

Kara Wai Ying-hung BBS is a Hong Kong actress best known internationally for her roles in wuxia films produced by the Shaw Brothers Studio in the 1970s and 1980s.