Vaa Vaathiyaar is a 2026 Indian Tamil-language action comedy film written and directed by Nalan Kumarasamy. Produced by K. E. Gnanavel Raja under Studio Green, the film stars Karthi as a man who finds himself clashing with his grandfather's expectations of him after being raised as an alter ego of MGR. The cast also includes Krithi Shetty, Sathyaraj, and Rajkiran.