Man-Thing is a 2005 monster film based on the Marvel Comics superhero of the same name. Directed by Brett Leonard and written by Hans Rodionoff, it stars Matthew Le Nevez, Rachael Taylor, and Jack Thompson, with Conan Stevens portraying the title character. The film follows a Louisiana sheriff (Le Nevez) as he investigates a series of deaths in a swamp, leading to him encountering a Seminole legend come to life, the Man-Thing, a shambling swamp-monster whose touch burns those who feel fear.

Originally intended for a theatrical release in the United States, the film premiered on the Sci Fi Channel on April 30, 2005. The film received negative reviews from critics and was a box-office bomb. grossing out $1 million from a small release in international theaters.