| ACAV | Accelerated Cardiac Allograft Vasculopathy 
| Others |
| ACAV | Action Committee against Violence
| Others |
| ACAV | Action Computer and Audio Visual
| Others |
| ACAV | Admission a Caractere Acoustique Variable
| Others |
| ACAV | Admission a Conduits d'Air Variables
| Others |
| ACAV | Application and Clinical Application Virtualization
| Others |
| ACAV | Armored Cavalry Assault Vehicle
| Others |
| ACAV | Associacao Brasileira dos Distribuidores Volkswagen Caminhoes e Onibus
| Others |
| ACAV | Association de Championnats Automobiles Virtuels
| Others |
| ACAV | Association of Construction Assessors and Verifiers
| Others |
| ACAV | Associazione Centro Aiuti Volontari
| Others |