Oru Thalai Ragam is a 1980 Indian Tamil-language romantic musical film directed by E. M. Ibrahim and written by Rajendar.
The film stars Shankar and Roopa, with Raveendar, Chandrasekhar, Kailashnath, Kumari Usha, and Thyagu in supporting roles.
The movie revolves around a college student named Raja who falls in love with his classmate Subhadra, but she avoids returning his love. The film explores their unrequited love story.
Oru Thalai Ragam was released on 2 May 1980 and received critical acclaim, becoming a major box office success that ran for over a year in theatres. It won the Cinema Express Award for Best Tamil Film.