# 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

## 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 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