KL

Abbreviation

KL is a two letter initialism that may stand for:
* K-line, a line in an IRC chat configuration file
* Kalaallisut language (ISO 639 alpha-2), a language of the Inuit of Greenland
* Kenny Loggins, a soft rock music singer
* Kiloliter, a type of unit measurement for volume
* Kirkland Lake, a town in Ontario, Canada
* KLM Royal Dutch Airlines (IATA airline designator: KL)
* Kuala Lumpur, the capital of Malaysia
* Kullback-Leibler divergence, in mathematics, a "measure" of the difference between two probability distributions
* Women's List or "Kvenna Listin", a political party in Iceland
* Konzentrationslager, the German word for Concentration Camp, often abbreviated as KL during World War II.Fact|date=September 2007
* Mazda KL engine, a Mazda piston engine
* Koninklijke Landmacht, the Royal Netherlands Army.
* Kellie Lloyd, Bass player in Brisbane bands Screamfeeder, Warm Guns and White Mansions.

Miscellaneous

* Chatspeak for "Cool"
* KL1, or "Kernel Language 1", an experimental AND-parallel version of KL0 for the ICOT Fifth Generation Computer project
* KL-7, or KL-47, also known as TSEC, code named "ADONIS", a rotor machine encryption system introduced in the 1950s by the US National Security Agency
* KL-43, a portable, electronic cipher device used by the US in the late 1970s