CAA may refer to:
Organizations
Arts
- China Academy of Art, the highest university of art in China which founded in 1928
- Choral Association Australia, Australian not for profit organisation providing insurance and promotion of choirs and choral works.
- College Art Association, a professional association in the United States for scholars of art, art history, and art criticism
- Cover Art Archive, a project hosting album cover art images
- Creative Artists Agency, a prominent American talent and sports agency
Sports
- Canyon Athletic Association, an association to organize sports for smaller charter schools in the state of Arizona
- Colonial Athletic Association, an NCAA Division I college athletic conference whose full-time members are located in East Coast states from Massachusetts to South Carolina
- Confederation of African Athletics
Aviation
- CAA is the ICAO airline designator for Atlantic Southeast Airlines in the United States
- Central African Airways, a defunct airline, originally the national carrier for the Central African Federation (Southern Rhodesia, Northern Rhodesia and Nyasaland)
- The Children's Air Ambulance, an air ambulance specifically for children in the UK.
- Civil Aeronautics Administration (disambiguation), name of various national governing bodies including China and the United States
- Civil Aeronautics Administration (Republic of China) - a division of Ministry of Transportation and Communication, Executive Yuan, Republic of China
- Civil Aeronautics Administration (United States) - established in 1940 by President Franklin D. Roosevelt
- Civil Aviation Authority, name for the national body governing civil aviation in a number of countries
- Compagnie Africaine d'Aviation, a Congolese airline
Automobile
- Canadian Automobile Association, non-profit federation of nine clubs across Canada
- China Automobile Association, China’s largest roadside assistance provider owned by Insurance Australia Group
- Cyprus Automobile Association non-profit organization, providing roadside assistance services
Miscellaneous
- Canadian Archaeological Association, publishes archaeological literature and promotes cooperation between archaeological societies in Canada
- Canadian Avalanche Association, a non-profit organization that promotes avalanche awareness and safety
- Case Alumni Association, oldest independent alumni organization in the United States
- Cat Aficionado Association, China's largest registry of pedigreed felines
- Center for Academic Advancement, a part of the Johns Hopkins University Center for Talented Youth
- Center for American Archeology, in Kampsville, Illinois, an independent non-profit research and education institution
- Center for Army Analysis
- Chester Alan Arthur, the 21st President of the United States
- College Admissions Assistance, LLC, caaworkshop.com an organization that provides public domain college information for a fee
- Combined Agents of America, a managing general agency of independent insurance agencies in Texas, Oklahoma and Kansas
- Commission for Academic Accreditation, United Arab Emirates
- Continental Airlines Arena, now known as Izod Center.
- The Council on African Affairs, provided information about Africa to the US, particularly to African Americans
- Cuban Adjustment Act
- Cycle Action Auckland, a pro-cycling advocacy group in Auckland, New Zealand
Terminology
- Carinthian Astronomical Association (Astronomische Vereinigung Kärntens)
- Cerebral amyloid angiopathy, a form of angiopathy in which the amyloid protein associated with Alzheimer's disease deposits in the walls of the blood vessels of the brain
- Clean Air Act (disambiguation), a number of pieces of legislation relating to the reduction of smog and atmospheric pollution
- Computational aeroacoustics, direct simulation of acoustic fields associated with flows
- Computer-aided auscultation, computer analysis of stethoscope data
- One of the codons for the amino acid glutamine
- DNS Certification Authority Authorization, a method for cross-checking security information on the Internet