Humraaz (transl. Confidant) is a 2002 Indian Hindi-language romantic thriller film directed by the duo Abbas–Mustan. The film stars Bobby Deol, Akshaye Khanna, and Ameesha Patel⁣⁣ and marks the third collaboration between Deol and the director duo.

The film is loosely inspired by the 1998 American film A Perfect Murder, which itself was a remake of Alfred Hitchcock's film Dial M for Murder (1954), based on Frederick Knott's 1952 stage play of the same name. Humraaz was later remade in Tamil as Girivalam. Its soundtrack, composed by Himesh Reshammiya, was among the highest-selling Bollywood albums of the year.

Humraaz was released on 5 July 2002 and received generally positive reviews from critics, who praised its suspenseful plot, music, and performances, with particular praise directed towards Khanna's performance. The film emerged as a commercial success at the box office, grossing approximately ₹29.7 crore worldwide against a budget of ₹15 crore, ranking as the seventh-highest-grossing Hindi film of the year.

Humraaz received 12 nominations at the 48th Filmfare Awards, including Best Film, Best Director (Abbas–Mustan), Best Actor (Deol), Best Actress (Patel), and Best Performance in a Negative Role (Khanna), but did not win in any category. At the 4th IIFA Awards, Khanna won Best Performance in a Negative Role, while Patel was nominated for Best Actress.

Karan Malhotra and Priya are the lead performers of a dance troupe and are secretly in love. They both dream of marrying and living a luxurious life. After being cheated out of a cruise performance opportunity by their rival, Jojo Fernandes, Karan confronts and kills him. The troupe is later selected to perform aboard a luxury cruise ship owned by the wealthy businessman Raj Singhania. There Raj meets Priya, unaware that Karan is Priya's boyfriend. Raj falls in love with her and proposes marriage, unaware that both Priya and Karan are conspiring to acquire his wealth; Raj also befriends Karan.

Eventually Priya and Raj marry, and Priya lies about her past and refuses to consummate for one month as suggested by Karan. Then, another dancer from the troupe, Harry, discovers the couple's scheme and begins blackmailing Karan. It is revealed that Jojo's death was actually caused by Karan, which he had covered up as an accident. Karan murders Harry to protect the scheme, but before dying, Harry manages to leave a voicemail for Raj, exposing the truth. Meanwhile, Priya begins to develop genuine feelings for Raj, especially after he shows deep care following an accident. She decides not to proceed with the divorce, angering Karan.

Seeking revenge, Karan manipulates Raj into believing that Priya still loves him and is conspiring to steal his money. Raj, now aware of the truth, confronts Karan and forces him to attempt to murder Priya, planning to catch him in the act. Simultaneously, Priya records a confession and switches the tape with a cassette in Raj’s car, asking him to call her if he forgives her. As Raj unknowingly delays hearing the tape, Karan attacks Priya when Raj calls their home. Upon hearing her screams, Raj rushes to save her. At the scene, it is revealed that Priya survived and Karan had killed another man to stage the attack. Karan then blackmails Raj with a recording of their prior meeting, demanding a divorce and a large alimony.

Raj goes to meet Karan at a decided spot where he says he is ready to go to prison, but only after Karan is killed. The two men fight. The two men fight as Karan prepares to kill Raj until Priya catches up and steps in, exposing her realization of Karan's murderous nature. Karan subsequently shoots Priya, and Raj runs to kill Karan. Karan tries to kill Raj, but it turns out Priya is still alive and shoots Karan and saving Raj, and Karan dies. Raj and Priya are finally reunited.