Fachin (disambiguation)

Fachin, fachan or fachen is a monster or giant described by John Francis Campbell in Popular Tales of the West Highlands as having a single eye, a single hand, and a single leg.

Fachin may also refer to:
 * Fâchin, a commune in Nièvre, Bourgogne-Franche-Comté, France
 * Fachin (surname)
 * Fa chin, the Wade-Giles romanization of fa jin (a Chinese martial arts concept)