| Abbreviation | Definition |
|---|---|
| AET | Advanced Event Trigging |
| AET | All Electronic Tolling |
| AET | Allergy Elimination Treatments |
| AET | American Eagle Tankers |
| AET | American Engineering Testing |
| AET | Antimicrobial Effectiveness Test |
| AET | Application Engineering Toolkit |
| AET | Application Enhancement Tool |
| AET | application enrollment token |
| AET | Applied Extrusion Technologies |
| AET | Armoire Extension Tambour |
| AET | Arts and Entertainment Technologies |
| AET | Automotive Enviro Testing |
| AET | Average Estimate Time |
| AETA | American Embryo Transfer Association |
| AETA | American Equestrian Trade Association |
| AETB | Air Emission Testing Body |
| AETB | Air Emissions Testing Body |
| AETC | Automatic Exhaust Timing Control |
| AETD | Advanced Endpoint Threat Detection |