| LDR | Light Dependent Resistor | 光敏电阻 |
| LDR | Large Deployable Reflector | 大型可展式反射器 |
| LDR | Loan-to-Deposit Ratio (banking) | 贷款与存款比率（银行） |
| LDR | Loan-Default Rate (finance/banking) | Loan-Default率(财务/银行) |
| LDR | Line Driver/Receiver (Alcatel) | 线司机/接收(阿尔卡特) |
| LDR | Long Distance Release | 远距离释放 |
| LDR | Liquid Droplet Radiator | 液滴散热器 |
| LDR | Length Of Directory Record | 目录记录的长度 |
| LDR | Local Dynamic Routing | 本地动态路由 |
| LDR | Labor Deliver Recovery | 劳动力交付恢复 |
| LDR | Linear Depolarization Ratio | 线性去极化率 |
| LDR | Labor Delivery And Recovery | 劳动力交付和回收 |
| LDR | Lutheran Disaster Response | 路德教会灾难响应 |
| LDR | Labor Distribution Record | 劳动力分配记录 |
| LDR | Low Density Region | 低密度区域 |
| LDR | low dose rate | 低剂量率 |
| LDR | Local Data Record | 本地数据记录 |
| LDR | linear dynamic range | 线性动态范围 |
| LDR | Landauer, Inc. | Landauer公司。 |
| LDR | Light Detect Resistor | 光检测电阻器 |
| LDR | Long Distance Riding | 长途骑行 |
| LDR | Long Distance Race | 长跑比赛 |
| LDR | Laser Designator Ranger | 激光指示器游侠 |
| LDR | Louisiana Department of Revenue | 路易斯安那州税务局 |
| LDR | Local Dump and Restore | 本地转储和还原 |
| LDR | Low Definition Radio | 低清晰度收音机 |
| LDR | Lucent Digital Radio (Warren, NJ) | 朗讯数字广播（新泽西州沃伦） |
| LDR | Local Distribution Radio (Sprint) | 本地分配电台（Sprint） |
| LDR | Low Data Rate | 低数据速率 |
| LDR | Long Distance Relationship | 远距离关系 |
| LDR | Land Development Regulation | 土地开发条例 |
| LDR | Long Distance Runner | 长跑运动员 |
| LDR | Long Distance Release (fishing) | 远距离释放（钓鱼） |
| LDR | Leader | 领导 |
| LDR | Logical Design Review | 逻辑设计审查 |
| LDR | Labor Distribution Reporting (US government) | 劳动力分配报告（美国政府） |
| LDR | Labor-Delivery-Recovery (room) | 分娩恢复（房间） |
| LDR | Last Ditch Racing (Maine-based rally racing team) | 最后沟渠赛车（缅因州拉力赛车队） |
| LDR | Land Disposal Restrictions | 土地处置限制 |