Thalaivaa (transl. The Leader) is a 2013 Indian Tamil-language action thriller film written and directed by A. L. Vijay. It stars Vijay in the title role. The film, produced by Chandraprakash Jain, features background score and soundtrack composed by G. V. Prakash Kumar with cinematography and editing handled by Nirav Shah and Anthony respectively. The story revolves around a dancer who takes over his father's duty as a crime boss after his death. The film also stars with an ensemble supporting cast includes Amala Paul, Ragini Nandwani, Sathyaraj, Santhanam, Abhimanyu Singh and others.

The film, which commenced production in November 2012 in Mumbai, was released on 8 August 2013 on the occasion of Eid-ul Fitr. The film received mostly positive reviews from the critics and audience, who praised the cast performances(mainly Vijay and Sathyaraj), direction, background score, and themes. The film upon its early release was successful at the overseas box office and also successful in Andhra Pradesh, Kerala and Karnataka box office. Due to opposition from the ruling AIADMK as insisted by the then Chief minister J Jayalalithaa, the film had a delayed release in Tamil Nadu on 20 August 2013 and its performance was affected at the Tamil Nadu box office. The film went on to be remade in Punjabi as Sardar Saab in 2017.