| ULR | Ultra Long Range (disc golf) | 超长距离（盘式高尔夫） |
| ULR | Ultra Light Rail | 超轻轨 |
| ULR | Ultra Long Reach (fiber) | 超长距离（光纤） |
| ULR | Unit Leaf Rate | 单位叶率 |
| ULR | University Learning Requirement | 大学学习要求 |
| ULR | Union Learning Representative | 工会学习代表 |
| ULR | Ultra Long Range Aircraft | 超远程飞机 |
| ULR | Uncorrelated Low-Rank | 不相关低秩 |
| ULR | Unleaded Regular (gasoline) | 无铅普通汽油 |
| ULR | Uninsured Loss Recovery (insurance) | 未投保损失恢复（保险） |
| ULR | Unassigned Land Reserve | 未分配土地储备 |
| ULR | Ultimate Lateral Resistance (of a driven or bored pile) | 极限横向阻力（打入桩或钻孔桩） |
| ULR | Universal Life Resources | 通用生命资源 |
| ULR | Uninsured Loss Recovery | 未投保损失恢复 |
| ULR | Ultra Low Range | 超低范围 |
| ULR | University Learning Requirements | 大学学习要求 |
| ULR | Universal Leukocyte Reduction | 通用白细胞减少 |
| ULR | Ultraviolet Reflectance of Paint | 涂料的紫外线反射 |
| ULR | Urban League of Rochester, New York | 纽约罗切斯特城市联盟 |
| ULR | Uxbridge Leisure & Recreation | Uxbridge休闲和娱乐 |