Kaaki Sattai (transl. Khaki Shirt) is a 2015 Indian Tamil-language action comedy film directed by R. S. Durai Senthilkumar and produced by Dhanush under Wunderbar Films. The film stars Sivakarthikeyan and Sri Divya, with Prabhu and Vijay Raaz in supporting roles. It revolves around a police constable who wants to prove himself as a true, powerful cop by finding ways to solve issues of corruption in the law-and-order system in the department of police.

Principal photography commenced in March 2014 and wrapped that September. The music was composed by Anirudh Ravichander, cinematography was handled by M. Sukumar, and editing by Vivek Harshan. The film was released on 27 February 2015 and became a box office success.