ACAO

AcronymDefinition
ACAOAccess-Control-Allow-Origin (computing)
ACAOAssistant Chief Administrative Officer (various locations)
ACAOAero Club Adele Orsi (Italian air gliding club; Varese, Italy)
ACAOApprentissage Collaboratif Assisté par Ordinateur (French: Computer Assisted Collaborative Learning)
ACAOAssistant Cultural Affairs Officer (US State Department, Public Affairs)
ACAOArmenian Cultural Association of Ottawa (Ottawa, ON, Canada)
ACAOAcyl Coenzyme A Oxidase
ACAOAnterior-Cerebral Artery Occlusion