Happy Ghost IV (released in the Philippines as Magic to Win 4) (Chinese: 開心鬼救開心鬼) is a 1990 Hong Kong comedy film directed by Clifton Ko.

Happy Ghost IV grossed a total of HK$11,780,725.

The film ran in Hong Kong theatres from 30 June 1990 to 2 August 1990.

[2] In his book Horror and Science Fiction Film IV, Donald C Willis described Happy Ghost IV as an "occasionally funny low comedy" with "some okay "invisible ghost" effects".

This article related to a Hong Kong film of the 1980s is a stub.