CAA may refer to:
Cal-Animage Alpha, one of the oldest anime clubs in the United StatesCanadian Archaeological Association, an organization dedicated to promote and increase the dissemination of archaeological knowledge in Canada
Canadian Automobile Association, non-profit federation of nine clubs across Canada, providing roadside assistance services
Canadian Avalanche Association, a non-profit organization that promotes avalanche awareness and safety
Case Alumni Association, oldest independent alumni organization in the United States
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 501(c)3 research and education institution
Central African Airways, national carrier for Southern Rhodesia, then the Central African Federation
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
China Academy of Art, the highest university of art in China which founded in 1928China Automobile Association, China’s largest roadside assistance provider
Civil Aviation Authority, name for the national body governing civil aviation in a number of countries
Clean Air Act, a number of pieces of legislation relating to the reduction of smog and atmospheric pollution
College Art Association, an organization that supports all practitioners and interpreters of visual art and culture, including artists and scholars, who join together to cultivate the ongoing understanding of art as a fundamental form of human expression. Representing its members' professional needs, CAA is committed to the highest professional and ethical standards of scholarship, creativity, connoisseurship, criticism, and teaching
Colonial Athletic Association, an NCAA Division I college athletic conference whose members are located in East Coast states from Massachusetts to Georgia
Computational Aeroacoustics, direct simulation of acoustic fields generated by flows and of the interaction of acoustic fields with flows
Confederation of African AthleticsContemporary Applied Arts, a registered charity set up to champion and promote British craft
Continental Airlines Arena, an arena in East Rutherford, New Jersey
Creative Artists Agency, American show business agency
Cyprus Automobile Association non-profit organisation, providing roadside assistance servicesCAA is the
ICAO airline designator for
Atlantic Southeast Airlines in the United States
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