Viduthalai is a 2023 Indian Tamil-language period crime thriller film directed and co-produced by Vetrimaaran, who co-wrote the screenplay with B. Jeyamohan, under Grass Root Film Company and RS Infotainment. It is the first of a two-part adaptation of the short story Thunaivan (transl. Companion) by Jeyamohan. Set in 1987, the film follows a constable, who is recruited to arrest the leader of a separatist group. The ensemble cast includes Soori, Vijay Sethupathi, Bhavani Sre, Gautham Vasudev Menon, Rajiv Menon, Ilavarasu, Balaji Sakthivel, Saravana Subbiah, Chetan, Munnar Ramesh, and Pavel Navageethan.

Vetrimaaran is an Indian film director, producer and screenwriter who primarily works in Tamil cinema. Well Known for his unique filmography with major commercial success and high critical acclaim works. He has won five National Film Awards, two Filmfare South Awards and one Tamil Nadu State Film Award.