EHT
EHT is an abbreviation for:
- Euro Hockey Tour
- Designation of the basic types of hot water storage tank from Austria Email AG , taken over around 1990 from the brand name EHT ( electric hot water technology ), a former division of Elektra Bregenz
- Brand of EHT machine tools , formerly Eisen- und Hammerwerke Teningen
- Event Horizon Telescope , a telescope network for mapping the event horizon of black holes