Mysterium

Mysterium may refer to:


 * Mysterium (John Zorn album), 2005
 * Mysterium (Manilla Road album), 2013
 * Mysterium (board game), a cooperative board game designed by Oleksandr Nevskiy and Oleg Sidorenko
 * Mysterium (novel), an alternate history novel by Robert Charles Wilson
 * Mysterium (Scriabin), an unfinished work by the Russian composer Alexander Scriabin
 * Mysterium, seventh part of composer Georges Lentz’ musical cycle Caeli enarrant...
 * Mysterium (video game), a video game published in 1991
 * An annual conference concerned with the Myst series of computer games
 * Greco-Roman mysteries, religious schools for which participation was reserved to initiates