| CLR | Common Language Runtime | 公共语言运行库 |
| CLR | Cell Loss Rate | 信元丢失率 |
| CLR | Cell Loss Ratio | 信元丢失比 |
| CLR | Computer Language Recorder | 计算机语言记录装置 |
| CLR | clear | 归零 |
| CLR | Calcium, Lime, Rust (cleaning solution) | 钙、石灰、铁锈（清洁溶液） |
| CLR | Correlated Low-Rank | 相关低等级 |
| CLR | Chief of Staff Logistics Review | 参谋长后勤审查 |
| CLR | Circuit Layout Record | 电路布置记录 |
| CLR | Current-Limiting Resistor | 限流电阻器 |
| CLR | Clearing | 清理 |
| CLR | Container Loading | 集装箱装载 |
| CLR | Carbon-Loaded Rubber (smart textile) | 碳负载橡胶（智能纺织品） |
| CLR | Clear Request | 清除请求 |
| CLR | Cormen, Leiserson, Rivest (authors of the book \"Introduction to Algorithms\") | Cormen,Leiserson Rivest(作者,书中的“算法”) |
| CLR | Atlantic Razor Clam (FAO species code) | 大西洋剃刀蛤（粮农组织物种代码） |
| CLR | Comb-Line Resonator | 梳状线谐振器 |
| CLR | Career-Limiting Remark | 职业限制备注 |
| CLR | Council on Library Resources | 图书馆资源委员会 |
| CLR | Center of Lateral Resistance | 横向阻力中心 |
| CLR | Cluster-Level Routing | 群集级路由 |
| CLR | Capabilities and Limitations Report (ATEC) | 能力和限制报告（ATEC） |
| CLR | Conditional Logistic Regression | 条件Logistic回归 |
| CLR | Centre For Landscape Research | 景观研究中心 |
| CLR | Crystal Light Relay | 水晶灯继电器 |
| CLR | renal clearance rate | 肾清除率 |
| CLR | coronary laser recanalizition | 冠状动脉激光再通 |
| CLR | Commonwealth Law Reports (Australian's High Court law reporter) | 联邦法律报告(澳大利亚高等法院法律报告) |
| CLR | Customer Liaison Representative | 客户联络代表 |
| CLR | California Law Review | 加州法律评论 |
| CLR | Commonwealth Law Reports | 英联邦判例汇编 |
| CLR | Contingent Liability Record | 临时负债记录 |
| CLR | Circle of Liberal Reformers (political party, Gabon) | 自由改革者圈（加蓬政党） |
| CLR | Clarion Commercial Holdings, Inc. | Clarion Commercial Holdings，Inc.公司。 |
| CLR | Contingent Liability Report | 或有负债报告 |
| CLR | Capabilities List Request | 功能列表请求 |
| CLR | Combined Line & Recording | 结合线和记录 |
| CLR | Cleveland Rams | 克利夫兰公羊队 |
| CLR | Color definitions (Photostyler) | 颜色定义（Photostyler） |
| CLR | Combat Logistics Regiment (US Marine Corps) | 战斗后勤团（美国海军陆战队） |
| CLR | 1st Reader Color binary screen image | 第一读卡器彩色二进制屏幕图像 |
| CLR | Computer Language Research | 计算机语言研究 |
| CLR | Contact Lens Relief (Clear Eyes) | 隐形眼镜浮雕（透明眼睛） |
| CLR | Color scheme (Boxer/2) | 色彩方案(拳击手/ 2) |
| CLR | Customer Loyalty Reward | 客户忠诚度奖励 |
| CLR | Cleric (Everquest) | 文书（Everquest） |
| CLR | Center for Latino Research (DePaul University) | 拉丁裔研究中心（德保罗大学） |
| CLR | Context Likelihood of Relatedness (algorithm) | 相关上下文可能性（算法） |
| CLR | Combat Logistics Regiment | 战斗后勤团 |
| CLR | Centerline Radius | 中心线半径 |
| CLR | Complex Linear Regression | 复杂线性回归 |
| CLR | Clinical Laboratory Reference (journal) | 临床实验室参考（期刊） |
| CLR | Covert Laser Read | 隐蔽激光读取 |
| CLR | Combat Loss Replacement | 战斗损失替换 |
| CLR | Calcium, Lime, and Rust remover | 钙、石灰和除锈剂 |
| CLR | Central London Railway | 伦敦中央铁路 |