| UPSA | Undergraduate Political Science Association | 本科政治学协会 |
| UPSA | United Professional Sales Association | 联合专业销售协会 |
| UPSA | United Pool and Spa Association | 联合泳池和水疗协会 |
| UPSA | Unclassified Professional Staff Association | 未分类专业人员协会 |
| UPSA | Unruh Political Student Association, Jesse M. Unruh Institute of Politics | 安鲁政治学生协会，杰西·M·安鲁政治学院 |
| UPSA | Undergraduate Psychology Student Association | 本科心理学学生协会 |
| UPSA | Undergraduate Psychology Students' Association | 大学部心理学学生会 |
| UPSA | Unpaid Scientific Associate | 无偿科学助理 |
| UPSA | Unpriced Supplemental Agreement | 无价格补充协议 |
| UPSA | Universidad Privada de Santa Cruz de la Sierra | 塞拉圣克鲁斯私立大学 |
| UPSA | Universidad PÚblica de Salamanca (Spain) | Universidad PÚblica de Salamanca (Spain) |
| UPSA | Universidad Pontificia Solo Alumnos | 教皇大学单独校友 |
| UPSA | Unione Penisola Sorrentina Albergatori | 阿尔贝加托里州索伦蒂纳Penisola Sorrentina Albergatori |
| UPSA | Union Professionnelle Suisse de l'Automobile | 瑞士Professionnelle de fixation 'Automobile联盟 |
| UPSA | Utah Professionals in Student Activities | 犹他州学生活动专业人士 |
| UPSA | Uniwersalny Program Skanowania Arkuszy | Uniwersalny计划Skanowania Arkuszy |
| UPSA | UPS Autogistics | UPS Autogistics公司 |
| UPSA | University of the Philippines Singing Ambassadors | 菲律宾大学歌唱大使 |
| UPSA | La Universidad Pontificia de SAlamanca | 萨拉曼卡宗座大学 |