CAE

• CAE Aviation, a Luxembourgish aviation services company
• CAE Inc. (formerly Canadian Aviation Electronics), a Canadian manufacturer of simulation technologies and training provider
• Régional Compagnie Aérienne Européenne, a former subsidiary airline of Air France

• Continental Aviation and Engineering, a US aircraft engine maker that later became Teledyne CAE

• Conseil d'Analyse Économique, a French government advisory body

• Centre for Adult Education, an adult education course provider in Melbourne, Australia
• Center for American Education (disambiguation), an old name for American-style institutions in countries including the UAE and India
• College of Advanced Education, a now abolished tier of Australian tertiary institutions

• Canadian Academy of Engineering, the national academy of Canada for engineering
• Chinese Academy of Engineering, the national academy of the People's Republic of China for engineering, established in 1994
• College of Aeronautical Engineering, part of the Pakistan Air Force Academy

• Compressed air engine, a type of pressure pneumatic actuator using expanding compressed air
• Computer-aided engineering, the broad usage of computer software to aid in engineering analysis tasks
• Caelum (Standard IAU abbreviation), a constellation

• Common Application Environment, from X/Open Portability Guide, a specification for Unix-like operating systems
• Computer-aided engineering, computer software to aid in engineering tasks

• Caprine arthritis encephalitis, a disease in goats
• Childhood absence epilepsy, a childhood seizure disorder
• Carbonic anhydrase enzyme, that catalyzes the interconversion between carbon dioxide and water and the dissociated ions of carbonic acid

• Critical Art Ensemble, collective of tactical media practitioners of various specializations
• Radio Canadian Army Europe, Radio CAE, from World War II and the 1950s & 1960s, now replaced by Canadian Forces Radio and Television

• Columbia Metropolitan Airport (IATA airport code), West Columbia, South Carolina, United States
• Central African Empire, a short-lived empire in Central Africa
• Caernarfonshire (Chapman code), historic county in Wales

• Certificate in Advanced English, the fourth level of the University of Cambridge ESOL examination
• Chief audit executive, or Director of audit, a high level independent executive with overall responsibility for internal audit
• Child Abduction Emergency (SAME code), or AMBER Alert
• Canadian Arctic Expedition, 1913–1916, a Canadian Arctic Expedition

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