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
 * 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
 * Keikyu, 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