Paglu (English: Crazy) is a 2011 Indian Bengali-language romantic action film directed by Rajib Biswas. The film is a remake of the 2006 Telugu film Devadasu. The film stars Dev, Koel Mallick and Rajatava Dutta in lead roles, and follows the story of how a college student falls in love with a non resident Indian girl. The film was declared as all time blockbuster at the box office and broke the collection of Saathi (2002) and was the highest grossing Bengali movie of all time until Chander Pahar released.

Paglu marked the third collaboration of Dev with Koel Mallick following their previous hits Premer Kahini (2008), Mon Mane Na (2008) and Bolo Na Tumi Aamar (2010). The film is the first instalment of the Paglu franchise. The song from Paglu, "Paglu Thoda Sa Karle Romance" became a hit among youngsters and topped the Bengali Music Charts.

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 ₹ 8.8 to ₹9.95 crore.