| Rank | Abbreviation | Meaning |
|---|
| ***** | WRFC | Wanderers Rugby Football Club
| |
| **** | WRFC | Womens Rugby Football Club
| |
| *** | WRFC | Western Reserve Film Commission
| |
| ** | WRFC | Weymouth Rugby Football Club
| |
| ** | WRFC | Western Reserve Farm Cooperative
| |
| ** | WRFC | Washington Research Foundation Capital
| |
| ** | WRFC | World Recreational Fishing Conference
| |
| * | WRFC | Winnersh Rangers Football Club
| |
| * | WRFC | Winona Ryder Fan Club
| |
| * | WRFC | Washington Rugby Football Club
| |
| * | WRFC | Wicklow Rugby Football Club
| |
| * | WRFC | Warriors Rugby Football Club
| |
| * | WRFC | Wangaratta Rovers Football Club
| |
| * | WRFC | Wilmington Regional Film Commission
| |
| * | WRFC | Wharton Rugby Football Club
| |
| * | WRFC | Winchester Rugby Football Club
| |
| * | WRFC | Women's Royal Flying Corps
| |
| * | WRFC | Warriors Realm Fighting Championship
| |
| * | WRFC | Wimbledon Rugby Football Club
| |
| * | WRFC | Warlingham Rugby Football Club
| |
| * | WRFC | Worthing Rugby Football Club
| |
| * | WRFC | Worcester Rugby Football Club
| |
| * | WRFC | Williams Rugby Football Club
| |
| * | WRFC | Wellingborough Rugby Football Club
| |
| * | WRFC | World Rally Flying Championship
| |