Thandakaaranyam is a 2025 Indian Tamil-language action thriller film written and directed by Athiyan Athirai. The film stars V R Dinesh and Kalaiyarasan in the lead roles, alongside Riythvika, Vinsu Sam, Shabeer Kallarakkal, Bala Saravanan, Aruldoss and others in supporting roles.

The film is jointly produced by Pa. Ranjith's Neelam Productions along with Sai Devanand S and Sai Venkateswaran's Learn and Teach Production Private Limited. Thandakaaranyam released in theatres on 19 September 2025.