KM

KM, Km, or km may stand for:

Postnominal

 * Knight of the Sovereign Military Order of Malta, a chivalric order

Businesses

 * KM Group, a multimedia group based in Kent
 * Kennis Music, a record label
 * Kia Motors, an automobile manufacturer
 * Kmart (former stock symbol "KM")
 * Konica Minolta, a manufacturer of electronics
 * Air Malta (IATA code KM)

Organisations

 * Knight of Malta (disambiguation), a Christian order of knighthood
 * Kaiserliche Marine, navy of the German Empire
 * Kriegsmarine, name of the German navy during the Nazi regime
 * Koninklijke Marine, Dutch name of the Royal Netherlands Navy

Places

 * Kamenz (district), Germany (license plate indication)
 * Messenia, Greece (license plate indication)
 * KM Junction, West Virginia
 * Comoros, country (ISO 3166-1 code KM)
 * Kysucké Nové Mesto, town in Slovakia (district code KM)
 * Kosovska Mitrovica, town in Serbia
 * Kosovo and Metohija, an autonomous province in Serbia (ISO 3166-2 code RS-KM)

Science, technology, and mathematics

 * Kilometre (km), SI unit of distance
 * .km, Internet top-level domain (ccTLD) for Comoros
 * Km, an electric motor constant
 * Kaplan–Meier estimator, a non-parametric statistic used to estimate the survival function
 * Kelley–Morse set theory, in mathematics, a set theory
 * Kernel methods, a set of computer science algorithms
 * KM, the Michaelis constant in Michaelis–Menten kinetics
 * Knowledge management, a range of techniques to identify, represent, and distribute knowledge

Other uses

 * Kevin Matthews (wrestler), Kevin Matthew McDonald (b. 1983)
 * Km (hieroglyph)
 * KM-mount, a Konica camera rangefinder mount
 * Khmer language (ISO 639 alpha-2 code "km")
 * KM, a Soviet ground-effect vehicle, nicknamed the "Caspian Sea Monster"
 * Bosnia and Herzegovina convertible mark, currency of Bosnia and Herzegovina
 * Krause-Mishler numbers for the Standard Catalog of World Coins