Kaiyodu Kai is a 2003 Indian Tamil romantic drama film directed by Rajan Sarma. The film features Aravind Akash, Yugendran and newcomer Sona in lead roles, with Raghuvaran, Malaysia Vasudevan, Thalaivasal Vijay, Karunas, M. N. Rajam, Pasi Sathya, Shanthi Williams and Srilatha playing supporting roles. The film had musical score by Banapathra and was released on 27 September 2003.


In Chennai, Raja (Aravind Akash) and Manik (Yugendran) are best friends since their childhood. The orphan Manik owns a garage while Raja is a college student. Manik's garage stands just in front of a ladies hostel where Nithya (Sona) lives and Manik is in love with her. Raja and Nithya are collegemates and lovers. The morning, Nithya acts as a soft-spoken woman to the hostel warden and she leaves the hostels in a traditional dress which makes Manik falling in love with her. But then, she goes to her friend's house, changes her dress and goes to the college in modern dress. Nithya is also an outspoken and straightforward woman who hates male chauvinism.