| AETC | Advanced Engineering Technology Conference 
| Others |
| AETC | AIDS Education and Training Center
| Others |
| AETC | AIDS Education and Training Centers
| Others |
| AETC | AIDS Education Training Center
| Others |
| AETC | Air Education and Training Command
| Others |
| AETC | Alabama Educational Technology Conference
| Others |
| AETC | American Energy Technologies Co
| Others |
| AETC | Animal Emergency Treatment Center
| Others |
| AETC | Armoured Engineer Training Centre
| Others |
| AETC | Association of Electromyography Technologists of Canada
| Others |
| AETC | Atmospheric Environment Technical Committee
| Others |
| AETC | Authorisation for Excess Transportation Charge
| Others |
| AETC | Automatic Exhaust Timing Control
| Others |
| AETC | Automobile Emission Testing Centre
| Others |
| AETC | Axiom Education and Training Center
| Others |