Paglu (English: Crazy) is a 2011 Indian Bengali-language action film directed by Rajib Biswas. Produced by Surinder Films, the film stars Dev, Koel Mallick and Rajatava Dutta in lead roles. The screenplay and the dialogues were written by N.K Salil, with the songs composed by Jeet Gannguli. The cinematography was handled by Kumud Verma, action and dance sequences were choreographed by Judo Ramu and Baba Yadav respectively. The film follows the story of how a college student falls in love with a non resident Indian girl. The film successfully ran more than 150 days in West Bengal and was declared as all-time blockbuster at the box office and broke the collection of the 2002 film Saathi and was the highest grossing Bengali movie until the 2013 film Chander Pahar.The movie was a remake of 2006 Telugu movie Devadasu.

Paglu marked the third collaboration of Dev with Koel Mallick. The film is the first instalment of the Paglu franchise.

Paglu was theatrically released in India on 3 June 2011. The film became a financial success, emerging as one of the highest grossing Bengali movies of all time, with a lifetime collection of ₹ 9.95 to ₹11.56 crore.