MK
MK or mk may refer to: == In arts, entertainment and media == === Fictional characters === Moon Knight, a Marvel Comics superhero M.K., an Into the Badlands (TV series) character Mary Katherine "M.K." Bomba, the protagonist in Epic (2013 film) === Video games === Makai Kingdom: Chronicles of the Sacred Tome, a tactical role-playing game Mario Kart, a series of racing video games developed and published by Nintendo featuring characters from the Mario franchise Mortal Kombat, a series of fighting video games developed and published by Midway Games === Other media === MK (channel), a defunct South African television channel Moskovskij Komsomolets, a Russian newspaper == In business and finance == Mark (designation), a designation used to identify versions of a product or item, e.g. Mk.