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

Canadian English (CanE, CE, en-CA) is the variety of English spoken in Canada. English is the first language, or "mother tongue", of approximately 18 million Canadians (58.4%), and more than 28 million (67.5%) are fluent in the language. 74.2% of Canadians outside Quebec speak English, as a mother tongue. Within Quebec the language spoken drops to just 11.2 s most residents are speakers of Quebec French.