Raaz (transl. Secret) is a 2002 Indian supernatural horror film directed by Vikram Bhatt. The film stars Dino Morea, Bipasha Basu in the lead along with Malini Sharma. Widely regarded as one of the greatest Indian horror movies of all time. Aditya and Sanjana as a couple who have moved to Ooty to save their failing marriage. However, what they find in their new home is more than they expected when a ghost starts haunting the place. The wife, Sanjana, suddenly finds that her husband is part of the ghostly conspiracy, which she must fix to escape. The film is an unofficial adaptation of the Hollywood film What Lies Beneath (2000).It was the second-highest-grossing film of the year 2002 being the most profitable venture and the first instalment in the Raaz. Basu's performance was highly praised and earned her a Best Actress nomination at the 48th Filmfare Awards. Nadeem-Shravan's music also earned them several Filmfare Award nominations.

The film was shot in places across Ooty including The Lawrence School, Lovedale.

A sequel to the film was released on 23 January 2009, under the title of Raaz: The Mystery Continues and the third installment of the series titled Raaz 3 was released on 7 September 2012. A fourth film, Raaz Reboot, was released on 16 September 2016.