3 Deewarein (transl. 3 Walls) is a 2003 Indian Hindi-language crime film written, directed, and co-starred by Nagesh Kukunoor. Juhi Chawla, Jackie Shroff, Naseeruddin Shah, Gulshan Grover, and Sujata Mehta form the rest of the cast. The film narrates the story of three prisoners and a documentary filmmaker who, while filming their reformation story in the prison, finds redemption with her own troubled marriage. The film was showcased among the Indian Panorama section, at the 2003 International Film Festival of India.

The film was also premiered at the Kolkata Film Festival. After having been screened at the Indian Film Festival of Los Angeles, where it was well received, the film was screened at the Commonwealth Festival in Manchester, where it was nominated as one of the top five films, at the gala presentation. Nagesh Kukunoor has also received the Filmfare Award for Best Story.