Kedok Ketawa (; Indonesian for 'The Laughing Mask', also known by the Dutch title Het Lachende Masker) is a 1940 action film from the Dutch East Indies (now Indonesia). Union Films' first production, it was directed by Jo An Djan. Starring Basoeki Resobowo, Fatimah, and Oedjang, the film follows a young couple who fight off criminals with the help of a masked man.

Plot

In Cibodas, Banten, a young woman named Minarsih (Fatimah) is rescued from four thugs by the painter Basuki (Basoeki Resobowo). They fall in love and begin planning their life together. However, a rich man interested in taking Minarsih to be his wife sends a gang to kidnap her. Basuki is unable to repel them, but is soon joined by a masked vigilante known only as "The Laughing Mask" (Oedjang), who has almost supernatural fighting abilities. After two battles with the gang, Basuki and The Laughing Mask are victorious. Basuki and Minarsih can live together in peace.