A deathtrap is a literary and dramatic plot device in which a villain, who has captured the hero or another sympathetic character, attempts to use an elaborate and usually sadistic method of murdering him/her.

Deathtrap is a 1982 thriller film. It is based on Ira Levin's play of the same name.

Deathtrap is a 1978 play by Ira Levin that involves many plot twists. It was nominated for the Tony Award for Best Play and holds the record as the longest running comedy-thriller on Broadway. In 1982 it was adapted into a film of the same name starring Christopher Reeve, Michael Caine and Dyan Cannon.

any structure that is very unsafe; where people are likely to be killed