| Acronym | Definition |
|---|
| EFST➣Électricité Ferblanterie Sanitaire Thermique (French: Thermal Electricity Sanitary Plumber) |
| EFST➣Essential Fire Support Task |
| EFST➣East Fife Supporters' Trust (football club; UK) |
| EFST➣Enseignement et Formation Scientifiques et Techniques (French: Scientific and Technical Education and Training) |
| EFST➣Elora-Fergus Studio Tour (Canada) |