TAC

TAC may refer to:

Geography

• Tác, a village in Fejér County, Hungary

People

• Pablo Tac, US scholar
• Pham Cong Tac, a leader of the Cao Dai religion

Organisations

• TAC (building automation), a Swedish building automation company
• Technical Advisory Council, a committee advising the US FCC
• Technical Assistance Center, a company's internal support group for external customers
• The Aleut Corporation, Alaska, United States, a Native Regional Corporation
• The Ant Commandos, a company which produces video game console peripherals
• The Athletics Congress, US sports governing body, became USATF in 1992
• The Architects Collaborative, Cambridge, Massachusetts, US
• Treatment Action Campaign, a South African AIDS organisation
• Treaty of Amity and Cooperation in Southeast Asia
• Traditional Anglican Communion
• Transatlantic Council, Boy Scouts of America
• Tactical Air Command, a former command of the US Air Force
• The Analysis Corporation, a private intelligence firm
• TAC, a cyber security firm

Colleges

• Tarsus American College
• Thomas Aquinas College

Transport

• TAC Colombia, a charter airline based in Bogotá, Colombia
• TAC - Transportes Aéreos Catarinense, a former Brazilian airline
• Tecnologia Automotiva Catarinense (TAC) a Brazilian automotive company
• Thai Airways Company, a former Thai airline
• Terminal area chart, an aeronautical chart of the area surrounding a major airport
• Transport Accident Commission, an insurer in Victoria, Australia

Military and law enforcement

• Tactical Air Command, a former major command of the United States Air Force
• Demro TAC-1, a pistol calibre carbine/submachine gun
• McMillan TAC-50, an American sniper rifle

Science and technology

• Tetracaine, Adrenaline & Cocaine, a liquid mixture sometimes given as a soothing gel to children
• Triacetyl cellulose, a polymer used in display applications
• Tinned Annealed Copper, a common type of copper wire and cable
• Tantalum carbide, TaC, its chemical formula
• Total Antioxidant Capacity
• Trigeminal autonomic cephalgia

Computing

• TAC (software), an instant messaging and chat client program
• tac, a Linux command that concatenates lines in reverse, named by analogy with cat (Unix)
• Terminal Access Controller, a host computer that accepts terminal connections
• Thermally Advantaged Chassis, an Intel computer specification
• Three-address code, a representation of intermediate code used by compilers
• TAC-2, game controller compatible with Atari 2600 video game systems
• Type Allocation Code, part of a mobile device's IMEI identifying maker and model
• Tracking Area Code, a code used by cell carriers to identify tracking areas in LTE networks

Media

• The Accessible Channel, a Canadian digital television channel
• Group TAC, a Japanese anime and computer graphics studio
• The American Conservative magazine

Popular culture

• Terrible Monster Attack Crew, a fictional pilot squadron in Ultraman Ace

Fishing

• Total allowable catch, in commercial fishing