Mentalist (disambiguation)

A mentalist is a performing artist or practitioner who simulates psychic abilities.

Mentalist may refer to:
 * Mentalism (psychology), a term for the study of mental perception and thought processes
 * The concept of mentalism in artificial intelligence, related to consciousness and mental state
 * British derogatory slang used to call a person insane, referring to a diminished state of cognition
 * The Mentalist, an American television series starring Simon Baker
 * The Mentalists, an English drama by Richard Bean