Twister is a 1996 disaster film starring Helen Hunt and Bill Paxton as storm chasers researching tornadoes. It was directed by Jan de Bont. The film was based upon a script by Michael Crichton and Anne-Marie Martin. Twister was the number two grossing film of 1996, with an estimated 55 million tickets sold.

In the movie, a team of "storm chasers" try to perfect a data-gathering instrument, designed to be released into the funnel of a tornado, while competing with another better-funded team with a similar device during a tornado outbreak across Oklahoma.