TK

TK, Tk or tk may refer to:

In computing and video games:
* Tk (framework), a GUI software toolkit
* .tk, the top-level domain of Tokelau
* Team killing, used in team-based video gaming; the act of killing one or more of your teammates.
* Tiny Kong, a female Donkey Kong first seen in Donkey Kong Country

In music and film:
* Tsakani Mhinga, South African R&B artist
* TK (Peruvian rock band)
* Tetsuya Komuro, a Japanese musician
* The Killers (band)
* Thoma Kikis
* TK Records
* Tony Kanal
* Tragic Kingdom
* Tynisha Keli
* Tk(rapper), A rapper not signed Erin Moye-Gordon

In other uses:
* Identification number prefix used by Imperial Stormtroopers in Star Wars as well as the 501st Legion
* Taka, currency of Bangladesh
* Taluk, part of districts in India
* Telecine, usually abbreviated as TK instead of TC due to the latter being used to mean time code
* Telekinesis
* Teresa Keiner, a character on "Boy Meets World".
* Thymidine kinase (TK), a protein.
* Tim Kennedy, a college hockey player
* TK, the protagonist of
* TK-31, the serial number of Elpizo, a main antagonist from Megaman Zero
* T. K. Takaishi, A main character from the Digimon anime
* "To come", phonetic abbreviation used in book publishing and journalism
* Tomato ketchup
* Traditional knowledge
* Tsuyoshi Kohsaka, a Japanese mixed martial arts fighter.
* The IATA Code for Turkish Airlines
* Turkmen language ISO language code (tk).
* Tony Kornheiser, American sports writer and TV personality
* Tom Kenny, best known for his role in SpongeBob SquarePants