| Acronym | Definition |
|---|
| BAV | Bavaria |
| BAV | Bavarian (linguistics) |
| BAV | Bioavailability |
| BAV | Base Av |
| BAV | Bundesamt für Verkehr (German: Federal Office of Transport; Switzerland) |
| BAV | Bicuspid Aortic Valve |
| BAV | Biblioteca Apostolica Vaticana (Italian: Vatican Library) |
| BAV | Brand Asset Valuator |
| BAV | Bloc Auriculo-Ventriculaire (French: Atrioventricular Block; cardiology) |
| BAV | Balloon Aortic Valvuloplasty (medical procedure) |
| BAV | Business Aviation |
| BAV | Bovine Adenovirus |
| BAV | Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne (German Workgroup for Variable Stars) |
| BAV | Bilim Arastirma Vakfi |
| BAV | Bourse aux Vêtements (French: Clothing Exchange) |
| BAV | Both as View (data integration) |
| BAV | Banna Virus |
| BAV | Bay Area Vegetarians |
| BAV | Battle Athletes Victory (anime) |
| BAV | Born-Again Virgin |
| BAV | Basic Audio Video (product feature) |
| BAV | British Airways Virtual |
| BAV | Brouwerij Artikelen Verzamelaars (Dutch) |
| BAV | Building Academic Vocabulary |
| BAV | Baarnse Atletiek Vereniging (Dutch) |
| BAV | Beds Available |
| BAV | Bateau A Vapeur (French steamship postmark) |
| BAV | Boath Audio Visual (Brighton, UK) |
| BAV | Baotou, PR China (airport code) |
| BAV | Broadcast Area Variable |
| BAV | Biarritz avec Vous (French: Biarritz with You; residential association; Biarritz, French) |