Mark may refer to: Christianity Curse and mark of Cain, Cain's inability to cultivate crops and the necessity that he led a nomadic lifestyle Gospel of Mark, one of the books of the Bible, and the apocryphal Secret Gospel of Mark Mark the Evangelist (Saint Mark) Mark of the Beast, a sign or number mentioned in the Book of Revelation St Mark's Basilica, the most famous of the churches of Venice and an example of Byzantine architecture Currency Mark (money), a unit of currency in various co… (More on Mark)