# KK

KK, K.K., kK, k.k., or other sequences of two k's with or without punctuation may refer to:

## Arts and media

* KK, the production code for the 1967 Doctor Who serial The Faceless Ones
* "KK" (song), a 2014 song by Wiz Khalifa
* Kk. or Kirkpatrick number, a designation system for Domenico Scarlatti's keyboard sonatas, devised by Ralph Kirkpatrick
* Kobylańska Katalog or KK, catalogue of the works of Frédéric Chopin, authored by Krystyna Kobylańska
* Kvinner og Klær (Women and Clothes) or KK, a Norwegian weekly magazine
* Kritika Kultura or KK, a Philippine journal of literary, language and cultural studies

## Language

* Kazakh language (ISO 639-1 code kk), a Turkic language
* Kenyon and Knott or KK Phonetic Transcription, a transcription system used in the 1944 Pronouncing Dictionary of American English
* Kernewek Kemmyn (Common Cornish), a variety of the Cornish language
* Kk (digraph), used to represent a consonant in various languages

## People

* KK (singer), (Krishnakumar Kunnath, 1968–2022), Bollywood playback singer
* KK (musician) (born 1956), Icelandic musician
* KK (composer, producer) (born 1975), British record producer and musician
* KK Goswami (born 1973), Indian film and television actor
* K. K. Downing (born 1951), British musician
* K. Keshava Rao (born 1939), Indian politician
* Kay Kay Menon (born 1968), Indian actor
* Keke Rosberg (born 1948), Finnish racing driver
* Kemal Kılıçdaroğlu (born 1948) Turkish politician
* Kenneth Kaunda (1924–2021), first president of Zambia
* Jesperi Kotkaniemi, Finnish ice hockey player
* Kwang-hyun Kim, Korean baseball player, plays for the St. Louis Cardinals
* KK, born Kelton L. McDonalda, rapper from the American rap group 2nd II None

## Transportation

* KK, IATA code of de:Leav Aviation, a German airline
* KK, then IATA code of AtlasGlobal, formerly Atlasjet, a defunct Turkish airline
* KK, the official symbol used for various railway lines operated by the private railroad, Keikyu.
* KK, a former subway route replaced by the J/Z (New York City Subway service)

## Places

* Kinnickinnic River (Milwaukee River) or "KK River", which flows into Lake Michigan
* Kota Kinabalu or KK, a city in Sabah, Malaysia
* Kuala Kangsar, royal town of Perak, Malaysia
* Kuala Kurau, a town in Kerian District, Perak Malaysia
* Kuala Klawang, a town in Jelebu District, Negeri Sembilan, Malaysia
* Northern Cyprus or by its Turkish name "Kuzey Kıbrıs"

## Sport

* Karachi Kings, a cricket team franchise in Pakistan Super League

## Other uses

* Kabushiki gaisha or kabushiki kaisha, a type of Japanese joint-stock company commonly abbreviated as "K.K." or ⟨㏍⟩.
* Kaluza–Klein theory, a theory in physics
* Karkat Vantas, a character from the webcomic Homestuck, frequently called "KK" by his friend Sollux
* Jeep Liberty (KK), a model of Jeep Liberty made from 2008 until 2012
* Kilokelvin (kK), a temperature or temperature difference of 1000 kelvins
* k.k. or k.-k. (kaiserlich-königlich), meaning "imperial-royal" in the Austrian and Austro-Hungarian Empires
* "kk", instant-messaging slang for "OK", an acceptance and indication that no further explanation is necessary
* KK-theory, in algebraic topology
* KK thesis, a principle of epistemology
* Krusty Krab, a fictional SpongeBob SquarePants restaurant
* K.K. Slider, a fictional character from the video game franchise Animal Crossing
* KK Super Mart, a convenience store chain in Malaysia