| AAV | Adeno-associated virus | 腺相关病毒 |
| AAV | Amphibious Assault Vest | 陆战队的FSBE系统中的防破片衣部分 |
| AAV | Amphibious Assault Vehicle | 水陆两用装甲车 |
| AAV | Airborne Assault Vehicle | 空降突击车 |
| AAV | Autoduellist Association of Vermont (gaming) | 佛蒙特州自动对决协会（博彩） |
| AAV | adeno-associated(satellite)virus | 腺相关（卫星）病毒 |
| AAV | Air Admittance Valve | 进气阀 |
| AAV | Assessed Annual Value | 评估年价值 |
| AAV | Aerospace Audio- Visual | 航空航天视听 |
| AAV | Advanced Aerospace Vehicle | 先进航空航天飞行器 |
| AAV | All Activity Vehicle | 所有活动车辆 |
| AAV | Afloat Asset Visibility | 海上资产可见性 |
| AAV | Armored Amphibious Vehicle | 装甲两栖车 |
| AAV | Asian-American Village | 亚裔美国人村 |
| AAV | Advanced Assault Amphibious Vehicle | 先进突击两栖车辆 |
| AAV | Aviation Assist Visit | 航空协助访问 |
| AAV | Alternate Access Vendor | 备用访问供应商 |
| AAV | adenovirus-associated virus | 腺病毒相关病毒 |
| AAV | Auxiliary Air Valve | 辅助空气阀 |
| AAV | Autonomous Air Vehicle | 自动飞行器 |
| AAV | Autonomous Armored Vehicle | 自动装甲车 |
| AAV | Australian Alpaca Veterinarians | 澳大利亚羊驼兽医 |
| AAV | Accountability Acceptance Voucher | 问责受理凭证 |
| AAV | Adeno Associated Virus | 腺相关病毒 |
| AAV | Adopt A Village | 领养A村 |
| AAV | Authentication Algorithm Version | 身份验证算法版本 |
| AAV | Alternate Access Vendor(s) | 备用访问供应商 |
| AAV | Automated Address Verification | 自动地址验证 |
| AAV | All Activity Vehicle (Mercedes-Benz) | 所有活动车辆（梅赛德斯-奔驰） |
| AAV | Advanced Acoustics and Vibration | 高级声学和振动 |
| AAV | Alumni Admissions Volunteers | 校友招生志愿者 |
| AAV | Air-to-Air Vehicle | 空对空飞行器 |
| AAV | Amphibious Assault Vehicle (US DoD) | 两栖突击车（美国国防部） |