| OLR | On- Line Resource | 在线资源 |
| OLR | Off Line mail Reader | 离线邮件阅读器 |
| OLR | Our Lady of the Rosary | 玫瑰圣母 |
| OLR | On-Line Learning Record | 在线学习记录 |
| OLR | Our Lady of the Rosary College | 玫瑰学院的夫人 |
| OLR | On-Line Registry | 在线注册表 |
| OLR | Office of Learning Resources | 学习资源办公室 |
| OLR | OnlineRock Music Store | OnlineRock音乐商店 |
| OLR | On-Line Residential | 在线住宅 |
| OLR | Ontario Law Reports | 安大略省法律报告 |
| OLR | Overall Loudness Rating | 整体响度等级 |
| OLR | Outgoing Long-Wave Radiation | 发出的长波辐射 |
| OLR | Office of Labor Relations | 劳动关系办公室 |
| OLR | On Location Repair | 现场维修 |
| OLR | Online Reconfiguration | 联机重新配置 |
| OLR | Outstanding Loss Reserve (insurance) | 未决赔款准备金（保险） |
| OLR | On-Line Replaceable | 在线可更换 |
| OLR | Optical Label Reader | 光学标签读取器 |
| OLR | Office of Licensing and Registration (Maine) | 许可和注册办公室（缅因州） |
| OLR | Online Replacement | 在线更换 |
| OLR | Open-Loop Resonator | 开环谐振器 |
| OLR | Optical Label Remover | 光学标签去除器 |
| OLR | Outgoing Longwave Radiation | 长波辐射 |
| OLR | Observation Location Refinement | 观测位置优化 |
| OLR | Offline Reader (computer conferencing) | 脱机阅读器（计算机会议） |
| OLR | OverLooked Remix | OverLooked混音 |
| OLR | Otology,Laryngology,and Rhinology | 耳科学、喉科学和鼻科学 |
| OLR | Office of Legislative Research | 立法研究办公室 |
| OLR | On-Line Racing | 在线赛车 |