ACA is an acronym that may refer to:

Arts and entertainment

• A Current Affair, an Australian current affairs based television program
• American Choreography Awards
• American Composers Alliance
• American Council for the Arts - merged with National Assembly of Local Arts Agencies (NALAA) in 1996 to form Americans for the Arts
• American Country Awards

Business

• Associate Chartered Accountant
• Angel Capital Association
• Astronautics Corporation of America
• Australian Coal Association
• Alerting Communicators of America (Now ASC - American Signal Corporation)

Government/Politics

• Affordable Care Act shorthand for PPACA, the Patient Protection and Affordable Care Act
• Allied Commission for Austria
• Anti-Corruption Agency, a Malaysian government agency
• Australian Coal Association
• Australian Communications Authority

Historical

• Army Comrades Association, Right wing organisation known as the Blueshirts, in 1930's Ireland

Organizations

• Academic Cooperation Association, Brussels, higher education sector
• Adult Children of Alcoholics
• Aero Club of America
• American Cadet Alliance
• American Canine Association
• American Cryptogram Association
• Amputee Coalition of America
• Anglican Church in America
• Army Comrades Association
• Authors Coalition of America, LLC
• Autom vil Club Argentino

Professional associations

• ACA International, formerly the American Collectors Association
• American Callers Association
• American Camp Association
• American Chiropractic Association
• American Counseling Association
• Atheist Community of Austin
• American Chess Association, historical organisation
• American Correctional Association

School

• Academic Cooperation Association, High Education
• Asunci n Christian Academy, American school in Asunci n, Paraguay

Science, medicine or technology

• 7-ACA, 7-aminocephalosporanic acid
• Advisory Committee for Aeronautics
• Anterior cerebral artery
• Anti-cardiolipin antibodies
• Anti-centromere antibodies
• Adult Children of Alcoholics
• Angulation Correction Axis: (Orthopaedics): In the correction of angular deformities of bones by osteotomy, the ACA is the axis line around which the correction is performed.

Sporting

• Alpine Canada Alpin
• Adventure Cycling Association
• African Cricket Association
• American Canoe Association

Transport

• Atlantic Coast Airlines, later Independence Air
• Arctic Control Area, an aviation term related to Canadian airspace
• Amtrak station code ACA: Antioch Pittsburg (Amtrak station) in California
• IATA airport code ACA: General Juan N. lvarez International Airport, Acapulco, Guerrero, Mexico
• ICAO airline code ACA: Air Canada

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