Spider is a 2002 psychological thriller film produced and directed by David Cronenberg and based on the 1990 novel of the same name by Patrick McGrath, who also wrote the screenplay.

The film premiered at the 2002 Cannes Film Festival and enjoyed some media buzz; however, it was released in only a few cinemas at the year's end by distributor Sony Pictures Classics. Nonetheless, the film enjoyed much acclaim by critics and especially by Cronenberg enthusiasts. The film garnered a Best Director Award at the Canadian Genie Awards. The stars of the film, Ralph Fiennes and particularly Miranda Richardson, received several awards for their work in the film.