Pen Manam is a 1963 Indian Tamil-language romance film directed by L. V. Prasad and written by M. Karunanidhi. The film stars Sivaji Ganesan and B. Saroja Devi, with supporting roles played by M. R. Radha, S. V. Ranga Rao, T. R. Ramachandran, T. P. Muthulakshmi, Sandhya, and Padmini Priyadarshini.
The music was composed by K. V. Mahadevan, with lyrics written by Kannadasan. Cinematography was handled by K. S. Prasad, while A. Sanjeevi edited the film. The movie was shot in locations such as Kodaikanal, Kanyakumari, and Bangalore.
The story follows Selvam, a medical student from a prosecutor's family, who is a playboy unlike his righteous father. He falls for Vasanthi, but their love story unfolds against the backdrop of societal expectations and family obligations.