Vassal (disambiguation)

A vassal is a person regarded as having personal obligations to a landowner or monarch, in exchange for particular rights.

Vassal may also refer to:
 * Vassal state, a state that is subordinate to another state
 * Vassal Engine, a free software engine used for adapting boardgames to online play
 * Vassal Gadoengin (c.1943 – 2004), Nauruan politician