Perarasu is an Indian filmmaker who works primarily in Tamil cinema. As a director, he is best known for his commercial movies with actors Vijay and Ajith. He has also been credited as an actor, music director, singer and lyricist in some of his ventures. He has mentioned that all his movies are named for cities in Tamil Nadu, India. He is from Nattarasankottai, near Sivagangai in Tamil Nadu.
Perarasu is known primarily for directing films which he says are "aimed at the common man who looks at pure entertainment", rather than critics. His films are also known for having sentiment and action scenes in equal proportions. Due to his films being named after towns and cities, he has been nicknamed "Oorarasu" by the media, the term being a portmanteau of "oor" and his name Perarasu.