DCA

DCA may refer to:

• Document Content Architecture, an IBM document standard
• Dynamic Channel Allocation/Assignment, in wireless networks
• DTS Coherent Acoustics in DTS (sound system)

• 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

• 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

• 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

• 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

• DCA, IATA code for Ronald Reagan Washington National Airport, Arlington County, Virginia, US
• Dutch Caribbean Airlines, former Netherlands Antilles airline

• 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

• All pages with titles beginning with DCA
• All pages with titles beginning with Dca
• All pages with titles containing dca
• DCAS (disambiguation)