Theri is a 2016 Indian Tamil-language action thriller film directed by Atlee Kumar and produced by Vishnu Manchu. The film stars Vijay, Samantha Akkineni, and Amy Jackson in leading roles. The movie was released on April 29, 2016, and received positive reviews from critics.

Theri wasn't just a box-office juggernaut; it redefined the "police procedural" genre in Kollywood by mixing it with heavy emotional stakes. It solidified the Atlee-Vijay duo, leading to subsequent hits like Mersal and Bigil .