Vaalee is a 1999 Indian Tamil-language psychological romantic thriller film written and directed by S. J. Suryah in his directorial debut. The film stars Ajith Kumar in dual roles with Simran and Jyothika in her Tamil debut while Vivek, Rajeev, Pandu and Sujitha appear in supporting roles. A modern-day adaptation of the story of Vali from the Ramayana, it revolves around identical twins Shiva and Deva, with Deva being deaf-mute. When Shiva marries Priya, Deva becomes obsessed with, and lusts for her.

Suryah completed the script for Vaalee in 60 days, and the project was picked up for production by S. S. Chakravarthy of NIC Arts. The soundtrack was composed by Deva, and the lyrics were written by Vairamuthu. The cinematography was handled by Jeeva, while the editing was done by the duo B. Lenin and V. T. Vijayan.

Vaalee was released on 30 April 1999 to positive reviews from critics. The film became a commercial success, running for over 270 days at the box office in theatres. Ajith won the Filmfare Award for Best Actor – Tamil and Jyothika won Best Female Debut – South at the same ceremony. The film was remade in Kannada under the same title in 2001.