Kapag Langit ang Humatol is a 1990 Filipino revenge drama film directed by Laurice Guillen. The film stars Vilma Santos, Richard Gomez, Gloria Romero, Carmina Villaroel, and Jeffrey Santos. In the film, an ambitious house helper who wishes to become a successful person but her life becomes miserable when she is humiliated, abused, and maltreated by her evil employer. By the she achieved her dreams, she began to take revenge against her.
A radio drama story written by Salvador M. Royales that was serialized for DZRH, it was adapted into a screenplay by Royales and Emmanuel "Maning" Borlaza. It is the first film directed by Guillen that was adapted from a radio drama.
The film was released and produced by Vision Film Exponents on October 11, 1990. The film became a box-office success and received acclaim from critics and accolades from various award-giving bodies. In 2014, the film was digitally restored and remastered by the joint cooperation of ABS-CBN Film Restoration and Central Digital Lab.