DCA

DCA may refer to:

Look up DCA in Wiktionary, the free dictionary.

Computers

• Direct Connect Architecture, the I/O architecture of the Athlon 64 and Opteron microprocessors
• Distributed Computing Architecture, a method of computer processing
• Document Content Architecture, an IBM document formatting code system
• DTS Coherent Acoustics, an audio format standard
• Dynamic Channel Allocation or Dynamic Channel Assignment, in wireless networks

Military

• Defense Communications Agency, historical name of the Defense Information Systems Agency

Organizations

• DanChurchAid, a Danish NGO
• Dartington College of Arts, near Totnes, Devon, South West England
• Deaf Children Australia, a Melbourne based national charity for young deaf people
• Delta Connection Academy, a flight school at Orlando Sanford International Airport
• Department for Constitutional Affairs, a United Kingdom government department between 2003-2007
• Department of Civil Aviation (Thailand), the aviation authority of Thailand
• Destiny Christian Academy, a school in Oklahoma, USA
• Digital Communications Associates, a former US-american company active in telecommunication technology
• Disney California Adventure Park, a theme park in Anaheim, California
• Donelson Christian Academy, a private Christian school in suburban Nashville, Tennessee
• Drum Corps Associates, the governing body for all-ages musical marching unit in North America
• Dundee Contemporary Arts, an arts complex in Dundee, Scotland
• Namibia Directorate of Civil Aviation, the civil aviation authority of Namibia

Science and technology

• Deoxycholic acid, a bile acid with a claimed potential in treatment of inflammations and cancer
• Detrended correspondence analysis, a multivariate statistical technique widely used by ecologists
• Dichloroacetic acid / dichloroacetate, an organic compound with a claimed potential as a cancer treatment
• Dichloroacetylene, a toxic organic compound
• Dichloroethane, either of two chlorinated organic solvents
• Digitally-controlled amplifier

Television, film, and music

• Death Cult Armageddon, an album by Norwegian band Dimmu Borgir
• Distributors Corporation of America, American film distribution company (1952-1959)
• WDCA, the MyNetworkTV station in Washington, D.C.

Transportation

• Dutch Caribbean Airlines, a defunct airline based in the Netherlands Antilles
• Ronald Reagan Washington National Airport, a public airport south of downtown Washington, D.C., in Arlington County, Virginia

Other uses

• Direct corporate access, a same day clearing payment service that is part of the Faster Payments Service in UK
• Dollar cost averaging, an investment strategy