Lage Raho Munna Bhai is a 2006 Indian comedy film directed by Rajkumar Hirani and produced by Vidhu Vinod Chopra. It is the second film in the popular Munna Bhai series of Bollywood. Sanjay Dutt stars in this film as Munna Bhai, a Mumbai (Bombay) underworld don, who begins to see the spirit of Mahatma Gandhi. Through his interactions with the image of Gandhi, Munna Bhai begins to practice what he calls Gandhigiri (Satyagraha, non-violence, and truth) to help ordinary people solve their problems. Hissidekick, Circuit, is portrayed by Arshad Warsi.

The film was generally well-received by both critics and the mass audience. It was a box office success and was elevated to a "blockbuster" rating on Box Office India after grossing over Rs. 720 million. It is the recipient of a number of awards, including four National Film Awards. Lage Raho Munna Bhai is the first Hindi film to be shown at the United Nations, and also played to a packed house of mostly French students who "clapped till the credits were finished" during the Tous Les Cinema du Monde section of the 2007 Cannes Film Festival.ThePrime Minister of India, Manmohan Singh, praised the film, stating that it "captures Bapus message about the power of truth and humanism."