| Acronym | Definition |
|---|
| AESA | Active Electronically Scanned Array |
| AESA | Agence Européenne de la Sécurité Aérienne (French: European Aviation Safety Agency) |
| AESA | Association of Educational Service Agencies |
| AESA | Active Electronically Steered Array (aka Active Electronically Scanned Array; radar technology) |
| AESA | ATM End System Address |
| AESA | Atmospheric Effects of Stratospheric Aircraft |
| AESA | Aviation & Electronic Schools of America (Colfax, CA) |
| AESA | Autorité Européenne de Sécurité des Aliment (French: European Food Safety Authority) |
| AESA | The Ancient Egypt Studies Association |
| AESA | Arizona Emergency Services Association (Phoenix, AZ) |
| AESA | Association of Environmental Scientists and Administrators |
| AESA | Assign-and-Estimate Scheduling Algorithm |