DAC

DAC may refer to:

Businesses and organisations

 * DacEasy, originally Dac Software, Inc.
 * Danish Architecture Centre, an international cultural attraction
 * Defense Ammunition Center (United States), of the United States Department of Defense
 * Democratic Action Congress, a political party in Trinidad and Tobago
 * Designated activity company, a type of company in Ireland
 * Development Assistance Committee of the Organisation for Economic Co-operation and Development
 * Direct Action Committee, a British peace campaign 1957–1961
 * Distributed autonomous corporation, an organization managed by a decentralized computer program
 * Domain Awareness Center, an anti-crime initiative in Oakland, California, U.S.

People

 * Jean Dac (Hans von Aachen, 1552–1615), German painter
 * Pierre Dac (1893–1975), French humourist

Sports and games

 * Dakota Athletic Conference, in North Dakota and South Dakota, U.S.
 * Duneland Athletic Conference, in Indiana, U.S.
 * Daskalakis Athletic Center, an athletic and recreational facility in Philadelphia, Pennsylvania, U.S.
 * Detroit Athletic Club, in Detroit, Michigan, U.S.
 * FC DAC 1904 Dunajská Streda, a Slovak football team
 * Dota 2 Asia Championships 2015 or DAC 2015, a Dota 2 tournament
 * Dota Auto Chess, a mod within Dota 2 that was the first prominent autobattler

Science and technology

 * DAC, a form of 7+3 (chemotherapy)
 * Microsoft Data Access Components, or Windows DAC, a framework of interrelated Microsoft technologies
 * Diamond anvil cell, a high-pressure device used in geology and engineering
 * Digital-to-analog converter, a system that converts a digital signal into an analog signal
 * Direct air capture, to extract carbon dioxide directly from air
 * Direct Attach Copper, a 10 Gigabit Ethernet connector
 * Discretionary access control, in computer security
 * Double-acting Cylinder, a type of pneumatic cylinder
 * D-acetylcarnitine.

Road

 * DAC (automobile), a 1922–1923 American car by the Detroit Air-Cooled Car Company
 * DAC (vehicle manufacturer), a Romanian truck manufacturer
 * Rocar DAC, a series of Romanian buses and trolleybuses

Rail

 * Digital automatic coupling, a railway coupling
 * Dahinsara Junction railway station, Gujarat, India, station code DAC

Air

 * DAC Air, defunct Romanian airline
 * Daily Air, a Taiwanese airline, ICAO airline code DAC
 * Direction de l'Aviation Civile, a government agency of Luxembourg
 * Dutch Aeroplane Company, manufacturer of the DAC RangeR
 * Hazrat Shahjalal International Airport, Dhaka, Bangladesh, IATA airport code DAC

Other uses

 * Dac, or Mon Cala, a Star Wars planet
 * Deferred acquisition costs, in insurance
 * Deputy assistant commissioner (Metropolitan Police), in London, England
 * Design Automation Conference, an annual event
 * Directive on Administrative Co-operation in the field of Taxation (2011/16), an EU directive
 * Districtus Austriae Controllatus, a classification for Austrian wine
 * Dambi, ISO 639-3 language code dac, a dialect of Mumeng language
 * Star Trek DAC, a video game