| AECD | Aboriginal Early Childhood Development 
| Others |
| AECD | Adult Education and Community Development
| Others |
| AECD | ASEAN Economic Community Division
| Others |
| AECD | Asociacion Espanola de Clasicos Deportivos
| Others |
| AECD | Aspirin exacerbated cutaneous disease
| Others |
| AECD | Association of Endocrine Chiefs and Directors
| Others |
| AECD | Automatic external cardioverter-defibrillator (automated external defibrillator)
| Others |
| AECD | Auxiliary Emission Control Device
| Others |