Mayakkam Enna (transl. What is this illusion?) is a 2011 Indian Tamil-language psychological drama film written and directed by Selvaraghavan and produced by Gemini Film Circuit in association with Aum Productions its own banner. It stars his brother Dhanush, along with newcomer Richa Gangopadhyay, and features music scored by G. V. Prakash Kumar while the cinematography was handled by Ramji. The film revolves around an aspiring photographer and the problems he faces, causing him to fall into distress. How he manages to achieve his goals from thereafter forms the rest of the story.

The film was produced and distributed by Gemini Film Circuit, it was released on 25 November 2011 to critical acclaim but became an average hit at the box office.