TK

TK may refer to:

People

 * Ted Kaczynski (1942-2023), American domestic terrorist
 * Tony Kanaan (born 1974), Brazilian racing driver
 * Tony Khan (born 1982), American businessman
 * Theodore K. Lawless (1892–1971), American dermatologist and philanthropist
 * T. K. Oommen (born 1937), Indian sociologist, author, and professor

Places

 * Tehsil or taluk, an administrative division in several South Asian countries
 * Tokelau (ISO 3166-1 country code)
 * TK (South Korea) (Taegu–Kyŏngbuk), two administrative regions

Music

 * TK (Peruvian rock band)
 * TK Records, a record label
 * Tetsuya Komuro (born 1958), also known as TK, Japanese musician and producer
 * Toru Kitajima (born 1982), also known as TK from Ling Tosite Sigure, Japanese musician

Television

 * Takeru "T.K." Takaishi, a character from Digimon anime
 * TK, a character in Angel Beats!

Other media

 * TK, a identification prefix for Imperial stormtroopers in the classic era of the Star Wars universe
 * TK, the protagonist of the game Driver: Parallel Lines
 * "Tk'tk'tk", a science-fiction short story by David D. Levine
 * Tidens Krav, a newspaper published in Kristiansund, Norway
 * Tom Kent (active 1970s–2000s), American radio DJ

Businesses

 * ThyssenKrupp, a German industrial conglomerate
 * Turkish Airlines (IATA code TK)
 * TK Maxx, the European arm of TJ Maxx

Science and technology

 * .tk, the Internet top-level domain for Tokelau
 * Tk (software), a GUI toolkit
 * Telecine, a process of transferring motion picture film to video
 * Thymidine kinase, a protein
 * Transketolase, an enzyme in the pentose phosphate pathway and in the Calvin cycle
 * Type 94 tankette, a vehicle of the Imperial Japanese Army
 * Korovin pistol, a Russian semi-automatic pistol

Other uses

 * Bangladeshi taka, a currency
 * Takate kote, a form of Box tie in Japanese bondage
 * Tekken, a 2015 fighting game
 * Telekinesis, an alleged psychic ability
 * To come (publishing), commonly abbreviated as "TK"
 * Traditional knowledge
 * Turkmen language (ISO 639-1 language code)
 * Transitional kindergarten, part of the California public school system
 * Ταχυδρομικός Κώδικας, Postal codes in Greece