Harry Potter and the Philosopher's Stone (released in the United States as Harry Potter and the Sorcerer's Stone) is a 2001 fantasy/adventure film based on the novel of the same name by J. K. Rowling. Directed by Chris Columbus, it is the first in the popular Harry Potter films series. The story follows Harry Potter, a boy who, on his eleventh birthday, discovers that he is a wizard and who is then sent to Hogwarts — a school of magic — whereby he can complete his magical education.

The film stars Daniel Radcliffe as Harry Potter, alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger. The adult cast features Richard Harris, Maggie Smith, Robbie Coltrane, Alan Rickman and Ian Hart.