# ATC

ATC may refer to:

## Medicine

* Acute traumatic coagulopathy
* Anaplastic thyroid cancer, a form of thyroid cancer
* Anatomical Therapeutic Chemical Classification System, a WHO drug classification system
* Certified athletic trainer, post-nominal letters

## Organizations
### Military

* Air Training Command, the predecessor to Air Education and Training Command in the United States Air Force
* Air Training Corps, United Kingdom, for cadets
* Air Transport Command, a United States Army Air Force command during World War II
* New Zealand Air Training Corps, for cadets

### Education

* Academy for Technology and the Classics, a charter school in Santa Fe, New Mexico, US
* Advanced Technology College, a community college in Daytona Beach, Florida, US
* Applied Technology College, one of several campuses in the Utah College of Applied Technology system
* Ambrose Treacy College, high school in Brisbane, Australia

### Other organizations

* Alabang Town Center, a shopping mall in Muntinlupa, Philippines
* Altice (company), Luxembourg-based multinational telecoms company by Euronext stock symbol
* American Technology Corporation, former name of LRAD Corporation, a sound technology company
* American Thermoplastic Company, a United States plastics manufacturer
* American Tobacco Campus, a former property of the American Tobacco Company in Durham, North Carolina, US
* American Tractor Corporation, a 1950 manufacturer of crawler tractors which merged into Case
* American Truck Company
* American-Turkish Council, a business association promoting U.S.-Turkish relations
* Appalachian Trail Conservancy, a United States nonprofit organization
* Applied Technology Council, a nonprofit founded in 1973 which studies the effects of hazards on the built environment
* Aquarian Tabernacle Church, a Wiccan church founded in 1979
* Argentina Televisora Color, former name of the television network Televisión Pública (Canal 7)
* Atlanta Track Club, a non-profit running organization based in Atlanta, Georgia
* Atlanta Transit Company, former rail operator in Georgia, United States
* Auckland Theatre Company, professional theatre company, New Zealand
* Australian Telecommunications Corporation, formerly Australian Telecommunications Commission
* Automobile and Touring Club for United Arab Emirates, a member of the Fédération Internationale de l'Automobile

## Science and technology

* Ancillary Terrestrial Component, a U.S. Federal Communications Commission-approved technique for using a network of cell-phone towers to supplement a Mobile Satellite Service
* UK Astronomy Technology Centre, based at the Royal Observatory in Edinburgh, Scotland, part of the Science and Technology Facilities Council
* Athletic Trainer Certified, a healthcare professional board certified in athletic training
* Automatic taxonomy construction, a branch of natural language processing, which applies software programs to generate taxonomical classifications from a body of texts.
* Average total cost, in economics
* Automatic tool changer, a mechanism allowing CNC machines to switch cutting tools without operator intervention.
* Alternate technical concept, in engineering and construction.
* USENIX Annual Technical Conference, an annual peer-reviewed conference
* ATC, a codon for the amino acid isoleucine

## Transport

* Advanced transportation controller, a standardization effort as part of the United States Department of Transportation's Intelligent transportation system
* All-terrain cycle, a type of all-terrain vehicle
* Alvarado Transportation Center, an intermodal transit center in New Mexico
* American Truck Corporation, a USA importer and/or assembler of Tatra and Kraz trucks.
* Armored Troop Carrier (LCM), used in the Vietnam War
* Automatic traffic counter, see traffic count

### Aviation

* Air traffic control, a service provided to aircraft by ground-based controllers
** Air traffic controller, people who expedite and maintain a safe and orderly flow of air traffic in the global air traffic control system
* Air Tanzania Corporation, the former state-owned airline of Tanzania

### Rail

* Automatic train control, a safety system for railways
* Automatic and Track Control, a tokenless form of safeworking on single rail lines used in Victoria, Australia

## Games and hobbies

* Armacham Technology Corporation, a fictional technology developer in the video game F.E.A.R.
* Artist trading cards, individual fine art miniatures
* 'Any to Come', a type of conditional bet; See Glossary of bets offered by UK bookmakers

## Sports

* SV Atlétiko Tera Corá, a Bonaire football club

## Other uses

* Acoustic Transducer Company, a British loudspeaker and electronic equipment manufacturer
* All Things Comedy, a comedy company and podcast aggregate
* All Things Considered, a news show on National Public Radio in the United States
* Against the Current (band), an American pop rock band
* Argentina Televisora Color, former name for Televisión Pública in Argentina
* A Touch of Class (band), a pop music group from Germany and the UK (1999–2003)
* Agreement on Textiles and Clothing, a World Trade Organization regulation for trade in textiles and garments
* Audio Tele-Conference
* ATC (belay device), a type of belay device for rock climbing
* Authorization to Carry, a permit issued in Canada to carry Restricted firearms and Prohibited handguns