| Abbreviation | Definition |
|---|---|
| AACTS | Authentic Assessment for Critical Thinking Skills |
| AACU | American Association of Colleges and Universities |
| AACUS | Autonomous Aerial Cargo Utility System |
| AACV | associazione Artigiani e Commercianti Valposchiavo |
| AACV | Auxiliary Air Control Valve |
| AACW | Autoclaved aerated concrete waste |
| AAD | Absolute Average Deviation |
| AAD | Active Area definitions |
| AAD | AD Abbreviation Define |
| AAD | Adaptive Aerosol Delivery |
| AAD | Additional Authenticated Data |
| AAD | Adjoint Algorithmic Differentiation |
| AAD | Advanced Air Defence |
| AAD | Africa Aerospace and Defence |
| AAD | Airborne Accuracy Designator |
| AAD | Airsoft Action Disciplines |
| AAD | Alhaji Abubakar Darbo |
| AAD | All About Design |
| AAD | Alternative Artifical Digestion |
| AAD | Analog Analog Digital |