DCA may refer to:
Computers Document Content Architecture, an IBM document standard Dynamic Channel Allocation/Assignment, in wireless networks DTS Coherent Acoustics in DTS (sound system)
Government California Department of Consumer Affairs Department for Constitutional Affairs of the UK government, 2003-2007 Department of Civil Aviation (Australia) Department of Civil Aviation (Thailand) Namibia Directorate of Civil Aviation
Military Agreement on Defense Cooperation between the Czech Republic and the United States of America, known as the Defense Cooperation Agreement Agreement on Defense Cooperation between Finland and the United States of America, known as the Defense Cooperation Agreement Defence Cyber Agency, a tri-service command of the Indian Armed Forces Defense Communications Agency, former name of the US Defense Information Systems Agency Defensive counter air (Défense contre les aéronefs), French term for air defense Deputy Commandant for Aviation, principal advisor on all aviation matters in the United States Marine Corps Dual-capable aircraft, used in nuclear sharing
Companies and other organizations Christian Democracy for Autonomies, a former political party in Italy DCA Design, a product design and development company based in Warwick, England Digital Communications Associates, an American company Distributors Corporation of America, American film distribution company (1952-1959) Diversity Council Australia, an Australian independent not-for-profit, promoting diversity and inclusion in the workplace Diyanet Center of America, a non-profit center funded by the Turkish Government in Lanham, Maryland, US Drum Corps Associates, a governing body of drum corps in North America Dublin Castle administration, Ireland Dundee Contemporary Arts, Scotland
Science and technology Detrended correspondence analysis, a statistical technique Dichloroacetic acid / dichloroacetate, an organic acid Dichloroethanes, organic solvents Digitally-controlled amplifier Direct coupling analysis, a method for analyzing sequence data in computational biology Directional component analysis, a multivariate statistical technique used in the atmospheric sciences Drone congregation area, a location where bees gather to mate
Transportation DCA, IATA code for Ronald Reagan Washington National Airport, Arlington County, Virginia, US Dutch Caribbean Airlines, former Netherlands Antilles airline
Other uses Debt Collection Agency, companies specialized in pursuing payments of debts Direct corporate access, part of UK Faster Payments Service Disney California Adventure, Anaheim, California, US Dollar cost averaging, an investment strategy
See also
DCAS (disambiguation)