| Abbreviation | Definition |
|---|---|
| VTM | Votes This Meeting |
| VTS | Vessel Traffic Services |
| VVU | Visa Volume Unit |
| VWB | Visa Waver for Business |
| VWP | Visa Waiver Program |
| VWPP | Visa Waiver Pilot Program |
| W | Welfare |
| W | Whitehouse |
| W | Wilsonian |
| W | Workfare |
| W2 | Internal Revenue Service Income statement form |
| W-2 | US Internal Revenue Service form |
| W4 | Internal Revenue Service Income Tax Withholding statement |
| W-9 | US Internal Revenue Service (IRS) tax form entitled "Request For Taxpayer Identification Number and Certification" |
| WA | Water Authority |
| WA | Written Assurance |
| WAA | War Assets Administration |
| WAA | Weak Affirmative Action |
| WAA | World American Airlift |
| WACA | Workforce Analysis Comparison Application |