Look up ATC in Wiktionary, the free dictionary.

ATC may refer to:

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• SV Atlétiko Tera Corá, a Bonaire football club

• 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

• Adult Third Culture Kids (ATCK), adults who as children grew up in a culture other than their parents'

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