7 Aum Arivu (Tamil pronunciation: [eːɻaːm ariʋu]; lit. 7th Sense) is a 2011 Indian Tamil-language science fiction action film written and directed by A. R. Murugadoss, featuring Suriya in dual roles, along with Shruti Haasan and Johnny Trí Nguyễn in supporting roles. In the film, a medical student enlists the help of a circus artist, who is a descendant of Bodhidharma, to revive the legend's skills and knowledge, while a Chinese mercenary with hypnotic powers starts a government-planned biological war against India.

The film, produced by Udhayanidhi Stalin began production in June 2010 and was completed by July 2011. It was released on 25 October 2011 in Chennai and a day later, on Diwali, worldwide. The visual effects for the film were done by Legacy Effects. It was also dubbed into Telugu as 7th Sense which released simultaneously along with the Tamil original. The film was one out of several films selected by the South Indian Film Chamber of Commerce for being the Indian submission for the Academy Award for Best Foreign Language Film that year.