Alli Thandha Vaanam is a 2001 Indian Tamil romance film directed by Sridhar Prasadh and produced by M. Kajamydeen.
The film stars Prabhudeva, Murali, Laila, Kalyani, Prakash Raj, and Vivek in lead roles, with musical score by Vidyasaagar.
The movie tells the story of Sathyam, a carefree son of a rich businessman who returns to Coimbatore after years abroad. He is tasked by his father to spend three months alone on the streets of Chennai to learn the value of money.
Prakash Raj plays Sathyam's cousin Prakash, who has been secretly sending him money from New York. The film was released on 14 September 2001 and marks Sridhar Prasadh's debut as a director.