| Acronym | Definition |
|---|
| ESTA | Electronic System for Travel Authorization (Department of Homeland Security) |
| ESTA | École Supérieure des Techniques Avancées (Fench: High School of Advanced Technologies; Burkina Faso) |
| ESTA | Entertainment Services and Technology Association |
| ESTA | École Supérieure des Technologies et des Affaires (French: Graduate School of Business and Technology) |
| ESTA | Energy Services and Technology Association (UK) |
| ESTA | European Security Transport Association (Brussels, Belgium) |
| ESTA | European String Teachers Association (Malta) |
| ESTA | Energy Systems Trade Association |
| ESTA | Earth Science Teachers' Association (UK) |
| ESTA | Education in Stage and Theatre Arts (UK) |
| ESTA | Enterprise Systems Technology Activity (US Army) |
| ESTA | Evergreen State Taxi Association (Washington) |
| ESTA | Ecole Supérieure des Techniques Aérospatiales (Paris, France) |
| ESTA | Ethernet Switching at Ten Gigabit and Above |
| ESTA | Egyptian Science and Technology Abstracts |
| ESTA | Enroute Support Team Advanced |
| ESTA | En-route Support Team Advanced |
| ESTA | Enemy Situation-Threat Advisor |