Naanum Rowdy Dhaan (transl. I am a rowdy too) is a 2015 Indian Tamil-language romantic action comedy film written and directed by Vignesh Shivan, produced by Dhanush under his Wunderbar Films. The film stars Vijay Sethupathi and Nayanthara, with Parthiban, Radhika Sarathkumar, RJ Balaji, and Anandaraj in supporting roles. It follows a police inspector's son who becomes a gangster. He falls in love with a woman seeking revenge against another gangster and joins her cause.

The film was announced in November 2013, with Gautham Vasudev Menon producing and Gautham Karthik and Lavanya Tripathi starring. However, the project was dropped, and by August 2014, Dhanush had taken over, with the lead pair recast. Principal photography commenced in December 2014 and ended in June 2015. The music was composed by Anirudh Ravichander, cinematography was handled by George C. Williams, and editing by A. Sreekar Prasad.

Naanum Rowdy Dhaan was released worldwide on 21 October 2015 and distributed by Lyca Productions. It received positive reviews and performed well at the box office. For her performance, Nayanthara won the Filmfare and SIIMA Awards for Best Actress in the Tamil branch.