| UPR | unearned premiums reserve | 未获得保险金储备 |
| UPR | ultraviolet proton radiation | 紫外质子辐射 |
| UPR | Utah Public Radio | 犹他州公共广播电台 |
| UPR | Upiara, Papua New Guinea | 巴布亚新几内亚乌皮亚拉 |
| UPR | University of Philosophical Research | 哲学研究大学 |
| UPR | Union Pacific Resources Group, Inc. | 联合太平洋资源集团。 |
| UPR | Uncontested Physical Research | 未经测试的物理研究 |
| UPR | Undergraduate Program Requirements | 本科课程要求 |
| UPR | Uranium Production Reactor | 铀生产反应堆 |
| UPR | Union Populaire pour la RÉpublique (French: People's Union for the Republic, Central African Republic) | Union Populaire pour la RÉpublique (French: People's Union for the Republic, Central African Republic) |
| UPR | Upper Principal Representation | 上级主要代表 |
| UPR | Upstream Petroleum Report | 上游石油报告 |
| UPR | Union for Progress and Renewal (Guinea) | 进步与复兴联盟（几内亚） |
| UPR | Users' Performance Requirement | 用户的性能要求 |
| UPR | Uniform Progress Report (US government) | 统一进度报告（美国政府） |
| UPR | Unconditional Positive Regard | 无条件肯定问候 |
| UPR | Unearned Premium Reserve (insurance) | 未得保费准备金（保险） |
| UPR | University of Puerto Rico | 波多黎各大学 |
| UPR | unfolded protein response | 未折叠蛋白反应 |
| UPR | Unit Performance Record | 机组性能记录 |
| UPR | Unprocessed Packet Rate | 未处理的数据包速率 |
| UPR | Unia Polityki Realnej (Polish political party) | Unia Politiki Realnej（波兰政党） |
| UPR | Universidad de Puerto Rico | 波多黎各大学 |
| UPR | Unsaturated Polyester Resin | 不饱和聚酯树脂 |
| UPR | Universal Periodic Review (UN Human Rights Council) | 普遍定期审议（联合国人权理事会） |
| UPR | User Preferred Routing | 用户首选路由 |