CT or ct may refer to:

<!--Do not add an item unless CT is defined in the linked article per WP:DABACRO. Commented out items are not valid but kept here in case they should be defined in the articles-->

In arts and media

  • c't (Computer Technik), a German computer magazine
  • Carrick Times, Northern Irish newspaper
  • Freelancer Agent Connecticut (C.T.), a fictional character in the web series Red vs. Blue
  • Christianity Today, an American evangelical Christian magazine

Businesses and organizations

  • CT Corp, an Indonesian conglomerate
  • CT Corporation, an umbrella brand for two businesses: CT Corporation and CT Liena
  • C/T Group, formerly Crosby Textor Group, social research and political polling company
  • Canadian Tire, a Canadian company engaged in retailing, financial services and petroleum
  • Calgary Transit, the public transit service in Calgary, Alberta, Canada
  • Central Trains (National Rail abbreviation), a former train operating company in the United Kingdom
  • Czech Television, the public television broadcaster in the Czech Republic
  • Community Transit, the public transit service in Snohomish County, Washington, U.S.
  • Comunión Tradicionalista, a former Spanish political party
  • CT (TV channel), a Filipino cable and satellite television network

Finance

  • Centime (ct), the French for "cent", used in English in several Francophone countries
  • Stotinki (ст), the currency of Bulgaria

Places

  • CT postcode area, for Canterbury and surrounding areas in south-eastern England
  • Connecticut (United States postal abbreviation)

<!--* Cape Town, the legislative capital of South Africa-->

  • Province of Catania (vehicle registration code), Sicily, Italy

<!--* Catania, the capital city of the province of Catania, Sicily, Italy-->

  • Central African Republic (FIPS Pub 10-4 code and obsolete NATO diagram)
  • Canton and Enderbury Islands (obsolete ISO 3166 country code), part of the Phoenix Islands in the Pacific Ocean
  • Cape Town (capital city of the Western Cape, South Africa)

<!--* Constanța, County Name in Romania, major city in Romania-->

  • Ct, for "Court"; a street suffix as used in the US

Science and technology

Biology and medicine

  • Haplogroup CT, Y-DNA haplogroup.
  • CT scan or X-ray computed tomography, a medical imaging method
  • Calcitonin (symbol CT), a hormone produced in the thyroid gland
  • Calibrated automated thrombogram (CT or CAT), a coagulation test
  • Cardiothoracic surgery, the field of medicine specializing in chest surgery
  • Chemotype (ct.), a chemically distinct entity in a plant or microorganism
  • Cognitive therapy, a type of psychotherapy
  • Connective tissue, a type of biological tissue
  • Chelation therapy
  • Chemotherapy
  • Cholera toxin, a toxic protein secreted by Vibrio cholerae
  • Threshold Cycle (C<sub>t</sub>), see cycle of quantification/qualification
  • COVID-19 test

<!--* Carpal tunnel-->

<!--* Chlamydia trachomatis-->

Computing

  • Intel Ct, a SIMD multithreading programming model developed by Intel
  • Certificate Transparency, in network security

Other uses in science and technology

  • CT Value, in drinking water disinfection
  • Threshold cycle (C<sub>t</sub>), a measure in the cycle of quantification/qualification of a real-time polymerase chain reaction
  • Carat (purity) (ct), a measure of the purity of gold and platinum alloys
  • Carat (mass) (ct), a unit of mass used for measuring gems and pearls
  • Continuous-time signal, a varying quantity (a signal) whose domain is a continuum
  • Center tap, a wire that is connected halfway along one of the windings of a transformer, inductor or a resistor
  • Compliant Tower, a deepwater offshore oil platform
  • Convective temperature, in atmospheric science
  • Current transformer, a kind of transformer used in the electrical power industry

<!--* Combustion turbine or gas turbine-->

Transportation

  • Lexus CT, an automobile
  • Honda CT series, a series of Honda bikes
  • Crawler-transporter, a tracked vehicle used to transport the Space Shuttle from Vehicle Assembly Building to Launch Complex 39
  • Civil Air Transport (IATA code)
  • Training cruiser, a U.S. Navy hull classification
  • Cybertruck

Other uses

  • Ct, a typographic ligature
  • c. t. (cum tempore, Latin for "with time"), indicates that a lecture will begin a quarter-hour after the stated time; see Academic quarter
  • Central Time Zone, a time zone in Canada, the United States, and Mexico
  • Coffin Texts
  • Conspiracy theory or theorist
  • Counter-terrorism
  • Cryptologic technician, a United States Navy enlisted rating or job specialty
  • Chinese Taipei, the name used by Taiwan in some international organizations due to political pressure from the People's Republic of China
  • ct following a number means the number of items contained in a package (e.g. zucchini 3 ct); abbreviation of 'count'
  • Corps Turd, etymologically "Cadet in Training", member of the Texas A&M Corps of Cadets that is not in the band

See also

  • Champions Trophy (disambiguation), several trophies awarded in different sports
  • Central tendon (disambiguation)