Mappillai Manasu Poopola is a 1996 Indian Tamil-language comedy film directed by Kuruvikkarambai Shanmugam.
The film stars Pandiarajan and Yuvarani, with Vennira Aadai Moorthy, Malaysia Vasudevan, newcomer Rajaneesh Kumar, Bhagyashree, Vichithra, Pollachi Babu, Sriraj Guhan, and S. N. Lakshmi playing supporting roles.
The movie follows the story of Manikkam (Pandiarajan) and Raja (Rajaneesh Kumar), two best friends who are folk singers studying a Ph.D. in Naattupurapaattu specialty. After Raja's behavior becomes erratic, his grandmother and Manikkam admit him to a mental hospital, where he stays for a week.
The film was released on 12 April 1996.