In the Dungeons & Dragons fantasy role-playing game, the haunt is a type of undead.
The haunt first appeared the adventure Secret of the Slavers' Stockade (1981). The haunt also appeared in the first edition Monster Manual II (1983).
The haunt appeared in Advanced Dungeons & Dragons 2nd edition in Monstrous Compendium Volume Two (1989), and is reprinted in the Monstrous Manual (1993).
A haunt is the restless spirit of someone who died while leaving a vital task unfinished. It inhabits a site nearby where it died, and its sole purpose is to possess a living body and use it to complete its task to gain a final release.