| OSLR | Overhead-Suspended Light Rail (transportation system) | 高架悬挂轻轨（运输系统） |
| OSLR | On-Site Logistics Representative | 现场物流代表 |
| OSLR | Ocean Science in relation to Living Resources | 海洋科学与生物资源 |
| OSLR | Optimized Link State Routing | 优化的链路状态路由 |
| OSLR | Outstanding Loss Reserves (cash reserved by an insurance company to cover unpaid claims) | 未决损失准备金（保险公司为支付未付索赔而预留的现金） |
| OSLR | Intergovernmental Committee for Ocean Science and Living Resources | 海洋科学和生物资源政府间委员会 |