Vettai (transl. Hunt) is a 2012 Indian Tamil-language action thriller film co produced, written and directed by N. Linguswamy. The film stars R. Madhavan, Arya, Sameera Reddy and Amala Paul in the supporting roles. The film score is composed by Yuvan Shankar Raja, while cinematography is by Nirav Shah and editing handled by Anthony.The film revolves around two brothers, the elder being sensitive to violence and the younger being a jobless rogue, and is set in Thoothukudi. After the death of their father, a police officer, the elder brother takes on the same job by request of the younger. The older brother rises to fame in his job by having his younger brother secretly punish suspects and save victims for him.

The film was announced shortly after the release of Lingusamy's Paiyaa, with Dhayanidhi Alagiri's Cloud Nine Movies agreeing to produce the film, following a successful collaboration during the director's previous film. During a lengthy pre-production phase, the film underwent major changes in its main cast and Cloud Nine Movies stepped out of the project, with Linguswamy's own banner, Thirupathi Brothers, taking up the film. Filming was initially planned to begin by mid-2010, but was delayed until March 2011. The film was released on 14 January 2012, coinciding with Pongal festival.

The film was remade in Telugu as Tadakha (2013), in Bangladeshi as Hitman (2014),

in Odia as Happy Lucky (2018), in Marathi as Mauli (2018) and in Hindi as Baaghi 3 (2020).