| MLR | minimum lending rate | 最低贷款利率 |
| MLR | Mmulti-channel Linear Recording technology | 多通道写录技术 |
| MLR | Money Laundering Risk | 洗钱风险 |
| MLR | Multiple Location Risk | 多地点风险 |
| MLR | Mainstream Law Report | 主流法律报告 |
| MLR | Medico Legal Reporting | 医学法律报告 |
| MLR | Money Laundering Regulations (UK) | 洗钱条例（英国） |
| MLR | Michigan Law Review | 密歇根法律评论 |
| MLR | Material Loss Review (US Treasury Department) | 材料损失审查（美国财政部） |
| MLR | Maine Lawyers Review (publication) | 缅因州律师评论（出版） |
| MLR | Matheran Light Railway (India) | Matheran轻轨（印度） |
| MLR | Mixed Leukocyte Reaction | 混合白细胞反应 |
| MLR | Most Loaded Routing | 负载最多的路由 |
| MLR | Monthly Labor Review | 月度劳动力审查 |
| MLR | Medical Loss Ratio (healthcare) | 医疗损失率（医疗保健） |
| MLR | Mixed Lymphocyte Reaction | 混合淋巴细胞反应 |
| MLR | Military Law Review | 军事法评论 |
| MLR | Mass Loss Rate | 质量损失率 |
| MLR | Mortar Locating Radar | 迫击炮定位雷达 |
| MLR | Multiple Linear Regression | 多元线性回归 |
| MLR | mean length of response | 平均响应长度 |
| MLR | Message Log Report | 消息日志报告 |
| MLR | Media Literacy Review | 媒体素养审查 |
| MLR | Move and Lose Record | 移动和丢失记录 |
| MLR | Maintenance Light Repair | 维护灯维修 |
| MLR | Macmillan Library Reference | 麦克米伦图书馆参考 |
| MLR | Miller Industries, Inc., of Tennessee | 田纳西州米勒工业公司 |
| MLR | Master Lock Resettable | 主锁可重置 |
| MLR | Multi- Lens Reflex camera | 多镜头反射相机 |
| MLR | Messianic Liturgical Resources | 弥赛亚石外科资源 |
| MLR | Matantei Loki Ragnarok (anime) | Matantei Loki Ragnarok（动漫） |
| MLR | Monodisperse Latex Reactor | 单分散乳胶反应器 |
| MLR | Monthly Labor Review (Washington, DC) | 月度劳工评论（华盛顿特区） |
| MLR | Management Level Review | 管理层审查 |
| MLR | Manual Loop Request (DSL) | 手动环路请求（DSL） |
| MLR | Master Lot Record | 主批次记录 |
| MLR | mixed lymphocyte reactivity | 混合淋巴细胞反应性 |
| MLR | Main Line of Resistance (military) | 抵抗主线（军事） |
| MLR | Maneuver Load Reduction | 机动载荷降低 |
| MLR | Multichannel Linear Recording | 多通道线性记录 |
| MLR | Medium Lift Replacement | 中型飞机空运补充兵员和物资 |
| MLR | Melbourne Law Review | 墨尔本法律评论 |
| MLR | Multiple Launch Rocket | 多管火箭 |
| MLR | Medium Lending Rate | 中等贷款利率 |
| MLR | Modern Language Review (journal) | 现代语言评论（期刊） |
| MLR | Mitsubishi Lancer Register | 三菱Lancer注册 |
| MLR | Muzzle-Loading Rifle | 枪口装填步枪 |
| MLR | MaïarskÁ LidovÁ Republika (Czech: People's Republic of Hungary) | MaïarskÁ LidovÁ Republika (Czech: People's Republic of Hungary) |
| MLR | Marine Life Resources | 海洋生物资源 |
| MLR | Maximum Likelihood Relaxation algorithm | 最大似然松弛算法 |