| Abbreviation | Definition |
|---|---|
| WRN | Washington Regional Network for Livable Communities |
| WRO | World Rehabilitation Organization |
| WROF | Wisconsin Rural Opportunities Foundation |
| WROH | Wildlife Rehabilitation Of Hernando |
| WRP | Waitabu Reef Protection |
| WRPDD | Waitabu Reef Protection Donation Drive |
| WRR | Wildlife Rescue and Rehabilitation, Inc. |
| WRTL | Wisconsin Right To Life |
| WRV | Wildlands Restoration Volunteers |
| WRVS | Women's Royal Voluntary Service |
| WS | The Wildlife Society |
| WS | Wilderness Society |
| WSA | Williams Syndrome Association |
| WSAA | Winston- Salem Alcoholics Anonymous |
| WSAA | Wisconsin Second Amendment Association |
| WSAC | Washington State Association of Counties |
| WSAD | Washington State Association of the Deaf |
| WSAD | West Suburban Association of the Deaf |
| WSAI | Williams Syndrome Association, Inc. |
| WSC | Wild Salmon Center |