Ng. Ratu Djoewariah was an Indonesian actress active in the 1940s and 1950s.

Union Films was a film production company located in Batavia, Dutch East Indies. Established by ethnic Chinese businessmen Ang Hock Liem and Tjoa Ma Tjoen in 1940, it produced seven black-and-white films before it was dissolved in 1942; all are thought to be lost. The company's films were directed by four men, mostly ethnic Chinese, and launched the careers of actors such as Rendra Karno and Djoewariah.