| Acronym | Definition |
|---|
| WPSA➣Western Political Science Association (est. 1948; Sacramento, CA) |
| WPSA➣World PowerSports Association |
| WPSA➣World's Poultry Science Association |
| WPSA➣Wildlife Preservation Society of Australia |
| WPSA➣West Point Society of Atlanta (Atlanta, GA) |
| WPSA➣Weekly Per Store Average |
| WPSA➣Workers Party of South Africa |