TT, Tt, tt, or .tt may refer to:
Arts and entertainment
Gaming
- Manx TT Super Bike, an arcade racing game by Sega
- Traveller's Tales, a British software house
- Tourist Trophy (video game), a motorcycle racing game for the PlayStation 2
Other uses in arts and entertainment
- TT scale (Table Top scale), a niche model railroading scale
- Tritone, or augmented fourth, a musical interval that spans three whole tones
- "TT" (song), by South Korean girl group Twice
Business and organizations
- TT Electronics, a British maker of automotive components
- TT-Line Company, a ferry company operating from Tasmania to Australia
- Order and Justice (Lithuanian: Tvarka ir teisingumas), a Lithuanian political party
- Tidningarnas Telegrambyrå, a Swedish news agency
- Toytown Germany, a web site for English-speaking foreigners in Germany
- Traveller's Tales, a British software producer
- Türk Telekom, a Turkish telephone company
Science and technology
Biology and medicine
- Tetanus toxoid, a vaccine to prevent tetanus
- Therapeutic touch, an alternative medicine practice
- Thrombin time, a coagulation blood test
Computing
- .tt, the country code top-level domain for Trinidad and Tobago
- <tt>...</tt> (short for teletype), an HTML presentation element that writes text in monospace font
- Atari TT030, a computer based on the Motorola 68030 CPU
- Template Toolkit, a Perl template engine
- Transaction translator, a particular unit in USB hubs
- TrueType, a font format
- Truth-table reduction (or tt-reduction), a kind of transformation used in computability theory
Other uses in science and technology
- Telegraphic transfer (or telex transfer or T/T), a method of transferring money
- Terrestrial Time, an astronomical time standard
- Tiny Telephone, a type of phone connector
Sports
- Table tennis
- Time trial, in racing sports, a race against the clock to secure the fastest time
- Tourist Trophy (disambiguation), several meanings
- Dutch TT, a motorcycling event, held on the last Saturday of June
- Isle of Man TT, an annual motor-cycle racing event held on the Isle of Man
- Welsh TT, historic motorcycle road races originally held annually on Pendine Sands, Wales, UK circa 1920
- Welsh TT, historic motorcycle road races originally held annually at Mynydd Epynt, Wales, UK circa 1950
- TT Pro League, a professional association football league for clubs in Trinidad and Tobago
- TT Zero, an Isle of Man TT race
Other uses
- "TT", an emoticon indicating tears streaming from the eyes
- Audi TT, a 2-door sports car produced by Audi
- TT bar, a ten tola gold bar traded in 3.75 oz (117 g) weights
- TT pistol, a Soviet military automatic pistol designed by Fedor Tokarev
- Tatar language (ISO 639-1 code)
- Theban Tombs, or discovered tombs of the Theban Necropolis
- Trinidad and Tobago (ISO 3166 digram), an archipelagic state in the southern Caribbean
See also
- Pi (letter); the capital form of the Greek letter, 'Π', resembles 'TT'
- TTT (disambiguation)
- 2T (disambiguation)
- T2 (disambiguation)
- T-square (disambiguation), including T-squared
This disambiguation page lists articles associated with the title TT.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.