Aethirree is a 2004 Indian Tamil-language action comedy film directed by K. S. Ravikumar. The film starred Madhavan, Sadha, Vivek, Kanika, Rahman and Delhi Ganesh in pivotal roles, and had a musical score composed by Yuvan Shankar Raja. It was released on 23 April 2004 to mixed reviews from critics. In 2007, the film went on to be remade in Telugu as State Rowdy starring Sivaji, Mallika Kapoor and Madhu Shalini.

K. S. Ravikumar is an Indian film director, film producer, screenwriter and actor, primarily working in Tamil cinema.