DAC

• 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.

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

• 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

• 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.

• 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

• Digital Automatic Coupling, a railway coupling
• Dahinsara Junction railway station, Gujarat, India, station code DAC

• 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

• 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

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• {{srt|dab}}
• {{lookfrom|dac}}
• DACS (disambiguation)
• DAQ (disambiguation)
• DAK (disambiguation)
• Dack (disambiguation)

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