| Abbreviation | Definition |
|---|---|
| WSJTL | WestSide Junior Tennis League |
| WSK | Western Sea Kayakers |
| WSKA | World Shotokan Karate-do Association |
| WSKF | World Shorin-ryu Karate Federation |
| WSKH | WindSurfing Know How |
| WSKO | World Shorinji Kempo Organization |
| WSL | Webster Spring League |
| WSL | WGTour Speed Ladder |
| WSL | World Softball League |
| WSL | Worms Singles League |
| WSLG | Wiggles Snakes and Ladders Game |
| WSLL | West Springfield Little League |
| WSM | West Staines Massive |
| WSM | World's Strongest Man |
| WSMA | Washington State Muzzleloaders Association |
| WSMC | Willow Springs Motorcycle Club |
| WSMVP | World Series Most Valuable Player |
| WSN | Washington Nationals |
| WSN | Washington Sports Network |
| WSN | Wisconsin Sports Network |