Mark may refer to:Mark (given name), a male given name BusinessService mark, trademark used to identify a service rather than a productTrade mark, distinctive sign of some kind which is used by a business to uniquely identify itself and its products and services The victim in a confidence trick ChristianityCurse and mark of Cain, Cain's inability to harvest crops and the necessity that he led a nomadic lifestyleGospel of Mark, one of the books of the Bible, and the apocryphal Secret Gospel of M… (More on Mark)