| Acronym | Definition |
|---|
| AAV | Adeno-Associated Virus |
| AAV | Association of Avian Veterinarians |
| AAV | All Activity Vehicle |
| AAV | Alternate Access Vendors |
| AAV | Arab American Vehicles |
| AAV | anti Afterburn Valve |
| AAV | Amphibious Assault Vehicle (US DoD) |
| AAV | Average Annual Value |
| AAV | Advanced Audio Visual (various organizations) |
| AAV | Air Admittance Valve (plumbing) |
| AAV | Acoustic Analysis of Voice (speech-language pathology) |
| AAV | All Activity Vehicle (Mercedes-Benz) |
| AAV | Adopt A Village |
| AAV | Abilities, Attitudes and Values (psychology scale) |
| AAV | Airborne Assault Vehicle |
| AAV | Autonomous Air Vehicle |
| AAV | Auxiliary Air Valve |
| AAV | Association des Artistes Villeurbannais (French: Villeurbanne Artists' Association) |
| AAV | Association Astronomique de la Vallée (French: Valley Astronomical Association) |
| AAV | Alternate Access Vendor(s) |
| AAV | Asian-American Village |
| AAV | Authentication Algorithm Version |
| AAV | Alumni Admissions Volunteers |
| AAV | Automated Address Verification |
| AAV | Advanced Aerospace Vehicle |
| AAV | Autonomous Armored Vehicle |
| AAV | Accountability Acceptance Voucher |
| AAV | Afloat Asset Visibility |
| AAV | Air-to-Air Vehicle |
| AAV | Advanced Acoustics and Vibration |
| AAV | Aviation Assist Visit |
| AAV | Australian Alpaca Veterinarians |
| AAV | Autoduellist Association of Vermont (gaming) |