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

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

 * 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