Chain is a 2004 docufiction film written and directed by Jem Cohen. It follows two young women from opposite ends of the socioeconomic spectrum. One (Miho Nikaido) is a Japanese professional who has been sent by her corporation to inspect theme parks in the United States. The other (Mira Billotte) is a runaway who is squatting near a mall and works a series of dead-end jobs. The women never meet or communicate with each other, but by the end of the film, their viewpoints have become similar as their lives are both impacted by the homogenization of retail culture and infrastructure.

It has been described as a "narrative/documentary" hybrid, with Stephen Holden of The New York Times saying it "deliberately blurs the lines between fiction, documentary and cinematic essay."