| Acronym | Definition |
|---|
| WPSP➣Wafer Probing Scheduling Problem (operational research) |
| WPSP➣Willamette Pass Ski Patrol (National Ski Patrol System; Willamette, OR) |
| WPSP➣Water Protection and Sustainability Program (Florida) |
| WPSP➣West Pacific Seamount Province (undersea mountain region) |
| WPSP➣Washington Professionals for the Study of Psychoanalysis (est. 1980) |