| Abbreviation | Definition |
|---|---|
| VVMA | Vermont Veterinary Medical Association |
| VVMA | Virginia Veterinary Medical Association |
| VWD | von Willebrand Disease |
| VWF | von Willebrand Factor |
| VWHA | Veterinary Wound Healing Association |
| VWR | Veterinary Web Resource |
| VX | Vaccine for cat or dog |
| VYS | Visceral Yolk Sac |
| VZS | Virginia Zoological Society |
| W | Wag |
| W | Warmbloods |
| W | Weasel |
| WA | Animal Welfare Act |
| WAB | Working American Bulldog |
| WAB | World Association for Buiatrics |
| WAF | Width Across Flats |
| WAGS | Wonderful Animals Great Space |
| WAHO | World Arabian Horse Organization |
| WAHVM | World Association for the History of Veterinary Medicine |
| WAIF | Whidbey Animals' Improvement Foundation |