Twister is a 1996 American disaster film directed by Jan de Bont, and written by Michael Crichton and Anne-Marie Martin. It was produced by Crichton, Kathleen Kennedy, and Ian Bryce, with Steven Spielberg, Walter Parkes, Laurie MacDonald, and Gerald R. Molen serving as executive producers. The film stars an ensemble cast that includes Helen Hunt, Bill Paxton, Jami Gertz, and Cary Elwes. It follows a group of storm chasers trying to deploy a tornado research device during a severe outbreak in Oklahoma.

Twister was released in theaters on May 10, 1996, and grossed $495 million worldwide, becoming the second-highest-grossing film of 1996; it sold an estimated 54.7 million tickets in the United States. It received generally positive reviews from critics and received Academy Award nominations for Best Visual Effects and Best Sound. It is notable for being among the first films to be released on DVD in the United States. A standalone sequel, Twisters, was released on July 19, 2024.