| Acronym | Definition |
|---|
| WPSI➣Wildlife Protection Society of India |
| WPSI➣World Petroleum Supply, Inc. (Texas) |
| WPSI➣Workshop on Prosody, Syntax and Information |
| WPSI➣Work Package Status Input |
| WPSI➣Wahler Physical Symptom Inventory (diagnostic tool) |
| WPSI➣Washington Psycho-Social Seizure Inventory (psychology) |