Themmangu Paattukaaran () is a 1997 Indian Tamil-language film, written and directed by Gangai Amaran in his last directorial venture. The film stars Ramarajan, Aamani, Goundamani and Senthil. It was released on 30 October 1997, during Diwali.
Soundtrack was composed by Ilaiyaraaja.
The comedy track performed by Goundamani and Senthil where LIC Narasimhan sings "Ninnukori Varnam" and "Paal Irukku" in a comical manner attained popularity.