Mk

MK or mk may refer to:

In arts and entertainment

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
Meta Knight, a character from the Kirby video game series
Mortal Kombat, a series of fighting video games developed and published by Midway Games, and later Warner Bros.
Mushroom Kingdom, the primary setting of the Super Mario video game series

M.K., a fictional character from the AMC TV series Into the Badlands.
Mary Katherine "M.K." Bomba, the protagonist in the 2013 computer-animated adventure film Epic.

Markup (business), a term for the difference between the cost of a good or service and its selling price
Air Mauritius (IATA designator MK)
MK Group, a Serbian holding company
MK Electric, an English manufacturer of electrical goods
Mysore Kirloskar, an Indian manufacturer of lathes, part of the Kirloskar Group
Morrison-Knudsen, an engineering and construction firm
Moskovskij Komsomolets, a Russian newspaper

MK Nobilette, also Emkay, (born 1994), American singer
M. K. Asante (born 1982), American author, filmmaker and professor
Marc Kinchen (MK), American house-music producer
Mark Knopfler (born 1949), English musician, co-founder of Dire Straits
Michael Kors (born 1959), American fashion designer
- Michael Kors (brand), American fashion brand

MK postcode area, UK postal districts in the greater Milton Keynes and Bedford areas
North Macedonia (ISO country code MK)
- .mk, the Internet country code top-level domain for North Macedonia
- Macedonian language (ISO 639 digram "mk")
Magic Kingdom, a Walt Disney World theme park in Greater Orlando
Mong Kok, an area of Hong Kong with the highest population density in the world
- Mong Kok East Station, originally Mong Kok KCR Station
- Mong Kok Station
Milton Keynes, a town in southern England
Morris Knolls High School, a high school in Morris County, New Jersey
Magic Kingdom, Sydney, a defunct theme park in Australia

Member of Knesset, the legislature of Israel
Umkhonto we Sizwe (Spear of the Nation), an armed wing of the African National Congress (the majority party in South Africa)
Mebyon Kernow, a Cornish political party in the United Kingdom

Mark (designation), a designation used to identify versions of a product or item, e.g. Mk. II
mk (software), a make replacement in the Plan 9 from Bell Labs and Inferno operating systems
Mk reference point, an interface of the IP Multimedia Subsystem used to exchange messages between BGCFs in different networks
Morgan-Keenan (MK) spectral classification, a stellar classification system based on spectral lines
Megakelvin (MK), an SI unit of temperature
Midkine, a protein
Millikelvin (mK), an SI unit of temperature
Morse–Kelley set theory in the field of mathematics

FK Mandalskameratene, a Norwegian football club
Milton Keynes Dons F.C., a football team in Milton Keynes often shortened to MK Dons