CAA

CAA may refer to:

Law

 * Citizenship (Amendment) Act, 2019 of India. The Home Ministry on March 11 notified the implementation of Citizenship Amendment Act's (CAA) rules.
 * Protests regarding the Citizenship (Amendment) Act
 * Clean Air Act, United States law to reduce air pollution
 * Congressional Apportionment Amendment, unratified pending United States constitutional amendment
 * Copyright assignment agreement, to transfer copyright to another party
 * Cuban Adjustment Act, United States federal law

Arts

 * China Academy of Art, a fine arts college in China founded in 1928
 * College Art Association, a professional arts association in the US
 * Concert Artistes Association, founded 1897

Automobile

 * Canadian Automobile Association, a federation of clubs across Canada
 * China Automobile Association, a roadside assistance provider in China owned by Insurance Australia Group
 * Cyprus Automobile Association, a non-profit organization, providing roadside assistance services

Airlines

 * CAA, ICAO airline designator for Atlantic Southeast Airlines, a defunct carrier in the United States
 * Central African Airways, a defunct airline, national carrier for the Central African Federation
 * Compagnie Africaine d'Aviation, a Congolese airline

Regulatory agencies

 * Civil aviation authority (CAA), general term for a statutory authority that oversees the regulation of civil aviation
 * Civil Aviation Authority, the name of these countries' regulators:
 * Civil Aviation Authority (New Zealand)
 * Civil Aviation Authority (South Africa)
 * Civil Aviation Authority (United Kingdom)
 * Civil Aviation Authority (Moldova) (formerly Civil Aviation Administration in English)
 * Civil Aviation Authority of Norway
 * Civil Aviation Authority of the Philippines
 * Civil Aviation Agency, the name of two countries' regulators in English:
 * Civil Aviation Agency Slovenia
 * Latvian Civil Aviation Agency
 * Civil Aeronautics Administration (disambiguation), two national regulators:
 * Civil Aeronautics Administration (Taiwan), a division of Ministry of Transportation and Communication
 * Civil Aeronautics Administration (United States), formed in 1938 and split into two agencies in 1940

Other

 * Children's Air Ambulance, air ambulance for children in the UK

Science

 * Canadian Archaeological Association, publishes archaeological literature
 * Canadian Avalanche Association, avalanche awareness and safety
 * Carinthian Astronomical Association (Astronomische Vereinigung Kärntens), Austria
 * Center for American Archeology, in Kampsville, Illinois, an independent non-profit research and education
 * Computer Applications and Quantitative Methods in Archaeology (CAA) - international organization of archaeologists, organizes an annual conference

Sports and entertainment

 * Canyon Athletic Association, an association to organize sports for smaller charter schools in the state of Arizona
 * Coastal Athletic Association, an NCAA Division I college athletic conference whose full-time members are in East Coast US states
 * Coastal Athletic Association Football Conference, branded as CAA Football, a technically separate conference for American football operated by the above
 * Confederation of African Athletics, a continental association for the sport of athletics in Africa
 * Creative Artists Agency, an American talent and sports agency
 * Cycle Action Auckland, a pro-cycling advocacy group in Auckland, New Zealand

Other organizations

 * Campaign Against Antisemitism, a UK organisation
 * California Alumni Association, the alumni association of the University of California, Berkeley
 * Carriage Association of America
 * Case Alumni Association, oldest independent alumni organization in the US
 * Cat Aficionado Association, a registry of pedigreed felines in China
 * Center for Academic Advancement, a part of the Johns Hopkins University Center for Talented Youth
 * Center for Army Analysis, US
 * China Advertising Association
 * Commission for Academic Accreditation, United Arab Emirates
 * Commonwealth Association of Architects, an organisation for architects in commonwealth countries
 * Council on African Affairs, provided information about Africa to the US, particularly to African Americans

Science and technology

 * Cerebral amyloid angiopathy, a form of angiopathy
 * Computational aeroacoustics, direct simulation of acoustic fields associated with flows
 * Computer-aided assessment, assessment performed or mediated through computer methods
 * Computer-aided auscultation, computer analysis of stethoscope data
 * DNS Certification Authority Authorization, a method for cross-checking security information on the Internet
 * Cover Art Archive, a project hosting album cover art images
 * CAA, one of the codons for the amino acid glutamine

Other uses

 * Command Arms and Accessories, an Israeli firearms manufacturer of Kalashnikov style weapons
 * Coventry Arena railway station, station code "CAA"
 * Chester A. Arthur, 21st president of the United States