| WPAI | Websphere Portal Application Integrator (IBM) | Websphere Portal应用程序集成商（IBM） |
| WPAI | Work Productivity and Activity Impairment (questionnaire) | 工作效率和活动损害（问卷） |
| WPAI | William Preston & Associates International | 威廉·普雷斯顿和同事国际 |
| WPAI | Wilson-Patterson Attitude Inventory | 威尔逊-帕特森态度问卷 |
| WPAI | Winning Profile Athlete Inventory | 获胜概况运动员清单 |
| WPAI | Work Productivity and Activity Impairment | 工作效率和活动障碍 |
| WPAI | Websphere Portal Application Integrator | Websphere Portal应用程序集成商 |