| Acronym | Definition |
|---|
| TAV | Tren de Alta Velocidad (Spanish: High-Speed Train) |
| TAV | Traction Avant |
| TAV | Total Asset Visibility |
| TAV | The Artists Village |
| TAV | Tropical Atlantic Variability (meteorology) |
| TAV | Treno ad Alta Velocità (Italian: high speed train) |
| TAV | Terror Ad Vincit (gaming) |
| TAV | Technical Assistance Visit |
| TAV | Transatmospheric Vehicle |
| TAV | Tomato Aspermy Virus |
| TAV | Technical Availability |
| TAV | Tender Availability |
| TAV | Test and Verification |
| TAV | Target Acquisition and Verification |
| TAV | Teen Age Volunteer |
| TAV | Total Annual Volume |
| TAV | Transverse Acoustic-wave Voltage |
| TAV | Transit Accounting Version |
| TAV | Technical Architecture View |
| TAV | Timestamp-interval Adjustment at Validation |