Nalla Thanka is a 1950 Indian Malayalam-language mythological film directed by P. V. Krishna Iyer and produced by K. V. Koshy and Kunchacko under the banner of Udaya Studios and K & K Combines. It was the second film produced at the Udaya Studios, the first being Vellinakshatram (1949). The film stars Miss Kumari in the title role along with Augustine Joseph, Vaikom Mani and Miss Omana in other supporting roles. The film is based on the legend of Nalla Thanka, which is based on a popular Tamil folk tale.