TT

TT, Tt or tt may refer to:

General

* Telegraphic transfer (or telex transfer or T/T), a method of transferring money
* TT scale (Table Top scale), a niche model railroading scale
* teetotal (or T-total), the practice and promotion of complete abstinence from alcoholic beverages
* Terrestrial Time
* Therapeutic touch, an alternative medicine practice
* tritone, a musical interval that spans three whole tones
* Twin Towers (disambiguation page)
* Toilet
* Test Track at Disney's Epcot theme park

As a standardised code

* The IATA code for Air Lithuania (bankrupt) and currently Tiger Airways Australia
* The ISO 3166-1 alpha-2 Country code for "Trinidad and Tobago"
** .tt, the country code top-level domain for Trinidad and Tobago
* The ISO 639 language code for the "Tatar language"

Commerce

* Audi TT, a 2-door automobile produced by Audi
* Tidningarnas Telegrambyrå, a Swedish news agency
* Twin-turbo, a system of two turbochargers on an automobile engine
* TT pistol, Soviet pistol

Computing and electronics

* Atari TT, a computer based on the Motorola 68030 CPU
* Text telephone, a telecommunications device for the deaf
* Timed Text, a W3C format for captioning, subtitling timed text media on the Web
* TrueType, a font format
* An HTML element for "teletype" or a monospace font family, e.g. monospace
* TT earthing system, in which the customer's earth has no connection to the transformer neutral terminal
* Template Toolkit, a Perl template engine

Media and gaming

* "Teen Titans" (comics), a DC Comics superhero team
* "Teen Titans" (TV series), based on the comics
* "Time Team", a British archaeological TV program on Channel 4
*"Toontown Online", a MMORPG by Disney
* "Tourist Trophy" (video game), a PlayStation 2 video game by Polyphony Digital
* "Transport Tycoon", a computer game by Chris Sawyer
* "Take That", a boyband
* "Today Tonight", an Australian current affairs television show produced by Seven Network
* "Tropic Thunder, A 2008 comedy film staring Ben Stiller and Robert Downey Jr.
* T.T., a living stopwatch from the video games "Diddy Kong Racing" and "Diddy Kong Racing DS"

port

* Table tennis
* Time trial, in racing sports, a race against the clock to secure the fastest time
* Trenton Titans, former name of Trenton Devils ECHL ice hockey team
* Tourist Trophy (disambiguation page), Races for automobiles or motor-cycles:
** The Isle of Man TT, a motorcycling event in the Isle of Man
** Dutch TT, a motorcycling event in the Netherlands