ACA
ACA is an abbreviation for:
- Acapulco Airport, the international airport in the Mexican city of Acapulco to the IATA code
- Academic Cooperation Association, academic exchange organization based in Brussels
- Adaptive cross approximation, an algorithm for the manufacturing of low rank approximations of matrices
- Air Canada, Canada's largest airline, based in Montreal according to the ICAO code
- Acrodermatitis chronica atrophicans Herxheimer
- Allied Commission for Austria
- Allied Control Authority
- American Canoe Association, Canoe Federation in the United States
- American Counseling Association
- Arctic Control Area, North Pole Control Area in Canada, see Abbreviations / Aviation
- Anterior cerebral artery
- ACA Atelier d' Étude de Constructions Automobiles, Swiss automotive manufacturer ( Sbarro )
See also:
- Disambiguation
- Abbreviation