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 as female lead. Jyothika made a cameo appearance and also marked her Tamil debut while Vivek, Rajeev, Pandu and Sujitha appear in important supporting roles. A modern-day adaptation of the legend of Vali from the Ramayana, it revolves around Shiva and Deva, two identical twin brothers, with Deva being deaf-mute. When Shiva marries Priya, Deva becomes obsessed with and lusts for her.

Suryah completed the script of 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 lyrics were written by Vairamuthu. The cinematography was handled by Jeeva while the editing was done by the duo of 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 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 in 2001 under the same title.