WBSI
| Acronym | Definition |
|---|---|
| WBSI | Western Behavioral Sciences Institute |
| WBSI | White Bear Suppression Inventory (psychological questionnaire) |
| WBSI | Warren Business Solutions, Inc. (North Olmsted, OH) |
| WBSI | Wheel Brake System Improvement (US Air Force) |
| WBSI | Wolfe Bluel Socialization Inventory (cerebral palsy) |
| WBSI | Worldwide Business Solutions, Inc. (various locations) |