Harry Potter and the Chamber of Secrets is a 2002 fantasy film directed by Chris Columbus and distributed by Warner Bros. Pictures, based on the 1998 novel of the same name by JK Rowling. Produced by David Heyman and written by Steve Kloves, it is the sequel to Harry Potter and the Philosopher's Stone (2001) and the second installment in the Harry Potter film series. The film stars Daniel Radcliffe as Harry Potter, with Rupert Grint as Ron Weasley and Emma Watson as Hermione Granger. His story follows Harry Potter's second year at Hogwarts School of Witchcraft and Wizardry when Salazar Slytherin's Heir opens the Chamber of Secrets, unleashing a monster that petrifies the school's inhabitants.

The cast of the first film returned for the sequel, with the addition of Kenneth Branagh, Jason Isaacs, and Gemma Jones, among others. It was the last film to feature Richard Harris as Professor Albus Dumbledore, due to his death that same year. Principal photography began in November 2001, just three days after the first film was released. It was shot at Leavesden film studios and in historic buildings across the UK, as well as on the Isle of Man. Filming concluded in July 2002.

Chamber of Secrets opened in UK and US theaters on November 15, 2002. The film became a critical and commercial success, grossing $ 879 million worldwide and becoming the second highest grossing film. 2002 behind The Lord of the Rings. : The two Towers . It was nominated for many awards, including the BAFTA Award for Best Production Design, Best Sound, and Best Special Visual Effects. Harry Potter and the Prisoner of Azkaban followed in 2004.