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
Organizations 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
Aviation 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 1940 and replaced by the Federal Aviation Agency in 1958
Other organizations Children's Air Ambulance, air ambulance for children in the UK Methodist Commission on Aboriginal Affairs, a 1960s independent body within the Methodist Church in Australia
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