ETS
ETS or ets may refer to:
Climate change, environment and economy
Organisations
Education
- École de technologie supérieure, an engineering school in Montreal, Canada
 - Educational Testing Service, an American assessment organization
 - Educational and Training Services Branch, of the British Army
 - European Theological Seminary, in Kniebis, Germany
 
Science and technology
- Endoscopic thoracic sympathectomy
 - Enhanced Transmission Selection
 - Enterprise test software
 - Enterprise Transport Security, in computer security
 - Environmental tobacco smoke
 - Episodic tremor and slip
 - ETS transcription factor family
 - External transcribed spacer
 
Transport
- East Tsim Sha Tsui station, of the Mass Transit Railway, Hong Kong
 - Edmonton Transit Service, Alberta, Canada
 - Electric train supply, which powers auxiliary systems on rail vehicles
 - Enterprise Municipal Airport (Alabama)
 - Eureka Transit Service, California, US
 - Euskal Trenbide Sarea, a railway infrastructure company in the Basque Country, Spain
 - KTM ETS, a high-speed train service in Malaysia
 
Other uses
- Euro Truck Simulator, video game
 - Afenmai language (ISO 639-3 code)
 - European Training Strategy, of the European Commission
 - Marie Hall Ets (1895–1984), American writer and illustrator
 - Expiration of Term of Service, in US military separation