| 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) |