TAC

TAC, or tac, may refer to:

People

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

Places

 * Tác, a village in Fejér County, Hungary

Organisations

 * TAC (building automation), a Swedish building automation company
 * Tactical Air Command, a former command of the US Air Force
 * 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 Analysis Corporation, a private intelligence firm
 * The Ant Commandos, a company which produces video game console peripherals
 * The Asatru Community, an inclusive Norse Pagan/Heathen sect; see Kindred (Heathenism)
 * The Athletics Congress, US sports governing body, became USATF in 1992
 * The Architects Collaborative, Cambridge, Massachusetts, US
 * Thomas Aquinas College, a college with multiple campuses in the 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

Transport

 * TAC Colombia, a charter airline based in Bogotá, Colombia
 * TAC, the IATA code for Daniel Z. Romualdez Airport on Leyte island, Philippines
 * TAC, the National Rail code for Tackley railway station in the county of Oxfordshire, UK
 * TAC - Transportes Aéreos Catarinense, a former Brazilian airline
 * Tecnologia Automotiva Catarinense (TAC) a Brazilian automotive company
 * Terminal area chart, an aeronautical chart of the area surrounding a major airport
 * Thai Airways Company, a former Thai airline
 * Trans Air Congo, a Congolese airline
 * Transport Accident Commission, an insurer in Victoria, Australia

Military and law enforcement

 * Demro TAC-1, a pistol calibre carbine/submachine gun
 * McMillan TAC-50, an American sniper rifle
 * Tactical Air Command, a former major command of the United States Air Force
 * TAC 30, the official name of a SWAT unit belonging to the King County Sheriff's Office

Science and technology

 * Motorola TAC, brand used by Motorola for their early mobile phones (Total Area Coverage)
 * TAC, a codon for the amino acid Tyrosine
 * TAC, a mixture of tetracaine, adrenaline and cocaine, a liquid sometimes given as a soothing gel to children
 * TaC, chemical formula for Tantalum carbide
 * , a Linux command that concatenates lines in reverse, named by analogy with
 * TAC (software), an instant messaging and chat client program
 * TAC-2, game controller compatible with Atari 2600 video game systems
 * 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
 * Time-activity curve, tracer concentration within a region of interest within dynamic image plotted over time
 * Triacetyl cellulose, a polymer used in display applications
 * Trigeminal autonomic cephalgia, a type of headache that occurs on one side of the head
 * Type Allocation Code, part of a mobile device's IMEI identifying maker and model

Media

 * Group TAC, a Japanese anime and computer graphics studio
 * The Accessible Channel, a Canadian digital television channel
 * The American Conservative, a paleoconservative magazine published by the American Ideas Institute

Other

 * tac, the ISO 639-3 code for the Tarahumara language spoken in the state of Chihuahua, Mexico
 * Terrible-Monster Attacking Crew, a fictional pilot squadron in Ultraman Ace


 * The Arts Centre or TAC, former name of Home of the Arts, Gold Coast
 * Total allowable catch, in commercial fishing under the European Union's Common Fisheries Policy