Big is a 1988 comedy film which tells the story of a teenaged boy who is aged to adulthood by a magical fortune telling machine. It stars Tom Hanks, Elizabeth Perkins, Robert Loggia, John Heard, Jared Rushton, David Moscow, Jon Lovitz and Mercedes Ruehl.

The movie was written by Gary Ross and Anne Spielberg, and directed by Penny Marshall.

It was nominated for Academy Awards for Best Actor in a Leading Role (Tom Hanks) and Best Writing, Original Screenplay.