Thirupaachi is a 2005 Indian Tamil-language action drama film directed by Perarasu (in his debut) and produced by R. B. Choudary under Super Good Films. The film stars Vijay, alongside Trisha, Mallika, J. Livingston, Pasupathy, Benjamin, Kota Srinivasa Rao, Vaiyapuri and Manoj K. Jayan. The film featured scores composed by Dhina, who also jointly composed one song each with Devi Sri Prasad and Mani Sharma.

Thirupaachi was released on 14 January 2005, and was one of the most successful Tamil films of the year. It was remade in Kannada as Thangigagi and in Telugu as Annavaram.