| Abbreviation | Definition |
|---|---|
| WNBL | Australian Women's National Basketball League |
| WNBR | World Naked Bike Ride |
| WNBT | Warwick & Nuneaton Bodybuilding & Training |
| WNCF | Winter National Conference |
| WNCL | Warwickshire Neighbourhood Clubs for Leisure |
| WNCY | Western North Carolina YMCA |
| WNF | Worldwide Nanbudo Federation |
| WNFC | West Northampton Fencing Club |
| WNFF | Washington Nationals Fan Forum |
| WNGC | Williamsburg National Golf Club |
| WNHL | Women's National Hockey League |
| WNKK | Wa-no Kaze Kai Karate Club |
| WNKO | World New KungFu Organization |
| WNL | World Netrek League |
| WNL | Wrestling News Live |
| WNLL | West Norriton Little League |
| WNLL | West Nyack Little League |
| WNM | Walk 'n Mass |
| WNNG | Winning |
| WNPF | World Natural Powerlifting Federation |