WSSP
| Acronym | Definition |
|---|---|
| WSSP | Washington State Sheep Producers (Ellensburg, Washington) |
| WSSP | Weapon(s) System Support Program |
| WSSP | West Sussex Structure Plan (UK) |
| WSSP | Water Sector Support Project (Yemen and Tanzania) |
| WSSP | Wakulla Springs State Park (Florida) |
| WSSP | Welded Stainless Steel Pipe |
| WSSP | Water Supply and Sanitation Program (various development organizations) |