K (disambiguation)

K is the eleventh letter of the Latin alphabet.

K may also refer to:

A prefix for North American call signs used by broadcast stations in the US west of the Mississippi River
Chrysler K platform, 1981-1995 car design used by Chrysler
K (programming language), an array processing language developed by Arthur Whitney and commercialized by Kx Systems
K (cider), a British draft cider manufactured and distributed by the Gaymer Cider Company of Bath, England
K band, radio frequency from 12 to 93 GHz
Low-K, the dielectric constant in semiconductors, electronics, and physics
K-theory, a topic in branches of topology and algebra
K–12 education, a designation for the sum of primary and secondary education, used mainly in North America
Vitamin K, a group of vitamins that are needed to promote blood coagulation
K-factor, several unrelated terms in physics, engineering, telecommunications and chess

In fiction and literature

K′, also known as "K Dash" or "K Prime", a King of Fighters character
K, the title of a 1915 novel by Mary Roberts Rinehart
K, the protagonist of The Castle (novel)
K, a character in the manga and anime Gravitation (manga)
K, the main character in the TV series Robotto Keiji (Robot Detective)
K, Todd and Riley's adoptive superspy mother on the Disney program The Replacements (TV series)
K, the character played by Tommy Lee Jones in Men in Black (film) and Men in Black 2
K, the protagonist played by John Abraham in No Smoking
K, a constructed language invented by Robert Dessaix
Joseph K., the protagonist of Kafka's 1925 novel, The Trial

K (album), 1996 album by Kula Shaker
K Records, independent record company based in Olympia, Washington
"K" (The Tutts single), 2006 song by The Tutts
K (singer) (born 1983), a Korean singer who works in Japan as a J-pop singer
K, Köchel catalogue, chronological catalogue of compositions by Wolfgang Amadeus Mozart

K, the Keskustapuolue, the Centre Party (Finland)
K, the politics and followers of President of Argentina Néstor Kirchner (born 1950)

K, 1000
k, symbol of the kilo- prefix in the SI and other systems of unit that denotes multiples of 1000
k, kilobyte (more correctly kB) meaning 1000 bytes
k, kibibyte (more correctly KiB) meaning 1024 bytes
K, potassium (from its Latin name kalium)
K, one-letter designation for the amino acid lysine
K, kelvin, the SI unit of thermodynamic temperature
k, the spring constant in Hooke's law relating deformation (strain) and force applied (stress) to a material body
k or k_B, the Boltzmann constant, the physical constant relating energy and temperature at the particle level
k, angular wavenumber of a wave
K or Kt, carat, a measurement of gold
K, ketamine, a street abbreviation for a recreational drug
K, the Cretaceous geological period
K, Kyocera' s mobile phones in Japan
K, a strikeout in baseball scorekeeping
K, a contract in legal shorthand
k, a voiceless velar plosive in the International Phonetic Alphabet
K, a symbol sometimes used by food manufacturers to indicate that they claim the product to be kosher
K, equilibrium constant (also K_c and K_p)
K, represents key color (Black) in the CMYK printing process.
$κ$ or K, relative static permittivity (dielectric constant)
$\scriptstyle{k_e}$ , Coulomb's constant
k, Thermal conductivity
k, abbreviation of okay, commonly used in instant messaging, or in S.M.S. messages