| Abbreviation | Definition |
|---|---|
| AATTC | Advanced Airlift Tactics Training Center |
| AAU | American Assault Units |
| AAU | Analog Applique Unit |
| AAV | Amphibious Assault Vehicle |
| AAV | Anti-Air Vehicle |
| AAV | Armored Amphibious Vehicle |
| AAV | Assault Amphibious Vehicle |
| AAV/IM | Autonomous Aerial Vehicle/ Intelligent Munitions |
| AAV7 | Amphibious Assault Vehicle |
| AAVC | Armored Assault Vehicle Command |
| AAVC | Australian Army Veterinary Corps |
| AAVP | Army Audiovisual Program |
| AAVS | Aerospace Audio-Visual System |
| AAVSO | American and Allied Very Secret Organizations |
| AAW | Active Aeroelastic Wing (X-53) |
| AAW | Advanced Attack Weapon |
| AAW | Air-to-Air Weapon |
| AAW | Anti-Air Warfare |
| AAWAAM | Advanced All Weather Air to Air Missile |
| AAWC | Anti-Air Warfare Coordinator |