CAE may refer to:
In aviation:
- CAE Inc., a Canadian maker of flight simulators
- Columbia Metropolitan Airport, (IATA airport code: CAE) in West Columbia, South Carolina, United States
- Régional Compagnie Aérienne Européenne, or Regional CAE, a subsidiary airline of Air France
In computing:
- 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
In education:
- 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
- Certificate in Advanced English, the fourth level of the University of Cambridge ESOL examination
- College of Advanced Education, a now abolished tier of Australian tertiary institutions
- E-learning, also known as Computer-Aided Education, Computer-Assisted Education, or
- College of Aeronautical Engineering, Pakistan Air Force Aeronautical Engineering College
In engineering:
- 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. It was established in 1994
- Compressed air engine, a 200 year old type of pressure pneumatic actuator that does work by expanding compressed air
In management:
- Certified Association Executive, a designation for not-for-profit and non-profit association professionals
- Chief audit executive, or Director of audit, a high level independent executive with overall responsibility for Internal audit
In media:
- Critical Art Ensemble, collective of tactical media practitioners of various specializations
- Radio Canadian Army Europe, Radio CAE, from World War II and the 1940s, now replaced by Canadian Forces Radio and Television
- Continental Avitation and Engineering, a US aircraft engine maker that later became Teledyne CAE
In medicine:
- Canadian Academy of Endodontics, association of endodontists located in Canada
- Caprine Arthritis Encephalitis, a lentiviral infection in goats that can lead to chronic disease of joints and rarely, encephalitis
Other uses:
- Caelum constellation abbreviation, as standardized by the International Astronomical Union
- Central African Empire, a short-lived empire in Central Africa
- Child Abduction Emergency or AMBER Alert
- Gyrinocheilus aymonieri, Chinese algae eater (CAE), a species of fish