Name: Pachai Vilakku
Genre: Drama
Released: 1964-04-03
Duration: 154 min
Rating: 6.9
Cast: Sivaji Ganesan, Sowcar Janaki, S. S. Rajendran, C. R. Vijayakumari, A. V. M. Rajan

Pachai Vilakku is a 1964 Indian Tamil-language drama film directed by A. Bhimsingh and produced by Rama.

The film stars Sivaji Ganesan, C. R. Vijayakumari, T. S. Aadhi Narayanan, and S. V. Ranga Rao in its principal cast.

The title 'Pachhai Vilakku' originated from posters featuring a green light being stuck near a railway gate at T. Nagar by Saravanan, which inspired director Bhimsingh.

The film was initially shot with 8,000 feet of footage but required reshooting due to creative differences or dissatisfaction.

Pachai Vilakku achieved significant box-office success upon release, reportedly running for over 100 days in theatres.