| MD | Media Director | 媒体指导、媒介部经理 |
| MD | Machine Down | 停机;机具故障 |
| MD | Managing Director | 总经理 |
| MD | Maximum Demand | 最大需要量 |
| MD | Manual Data | 手册资料 |
| MD | Magnetic Drum | 磁鼓 |
| MD | Medium Duty | 中型,中等负载 |
| MD | Maryland | 马里兰 |
| MD | Medical Department | 医务部 |
| MD | Doctor of Medicine | 医学博士 |
| MD | mendelevium | 元素钔 |
| MD | Moldova | 摩尔多瓦 |
| MD | mini disk | 迷你光碟 |
| MD | Message Digest | 报文摘要 |
| MD | muscular dystrophy | 肌肉营养不良,肌肉萎缩 |
| MD | measured depth | 测量井深 |
| MD | Mediation Device | 介接設備 |
| MD | Modal | 莫代尔 |
| MD | Motor Drive | 电动机驱动, 马达驱动, 电动传动 |
| MD | Message Data | 信息数据 |
| MD | Mean Deviation | 平均偏差 |
| MD | Mass Detector | 质量检测器 |
| MD | Main Deck | 主甲板 |
| MD | Mutilmedia Database | 多媒体数据库 |
| MD | Molecular Dynamics | 分子动力学 |
| MD | Machine Design | 《机械设计》(期刊) |
| MD | moisture detection | 水分检测 |
| MD | Mood Disorder | 情绪障碍 |
| MD | Air Madagascar (IATA airline code) | 马达加斯加航空公司(IATA航空公司代码) |
| MD | Mendoza (Argentina province, airline code) | 门多萨(阿根廷省,航空公司代码) |
| MD | Materials Division (American Society of Mechanical Engineers) | 材料部(美国机械工程师协会) |
| MD | Monocular Deprivation | 单眼剥夺 |
| MD | Metropolitan District (UK) | 大都会区(英国) |
| MD | Medical Doctor | 医生 |
| MD | Mountain Dew | 山露水 |
| MD | Modernization Division (Forecast Systems Laboratory, NOAA) | 现代化司(NOAA预测系统实验室) |
| MD | Music Director | 音乐总监 |
| MD | Magistratsdirektion (German: municipality directorate) | Magistratsdierktion(德语:市政局) |
| MD | Management Domain | 管理域 |
| MD | Mogen David (wine) | 莫根·戴维(葡萄酒) |
| MD | Methyldichloroarsine | 甲基二氯胂 |
| MD | Marketing Director | 市场营销总监 |
| MD | Medical Director | 医务主任 |
| MD | Machine Dependent | 机器相关 |
| MD | Mentally Deficient | 精神缺陷 |
| MD | Missile Defense | 导弹防御 |
| MD | Mini Disc | 迷你光盘 |
| MD | Marshalled Deployability | 编组可部署性 |
| MD | Mobilization/Deployment | 动员/部署 |
| MD | Maintenance Diagnostic | 维护诊断 |
| MD | Major Depression | 大萧条 |
| MD | Mean Downtime | 平均停机时间 |
| MD | Magnetic Disk | 磁盘 |
| MD | Model Design | 模型设计 |
| MD | Maintainability Demonstration | 可维护性演示 |
| MD | Months After Date | 日期后的月数 |
| MD | Membrane Distillation | 膜蒸馏 |
| MD | Mando Diao (band) | 曼多·刁(乐队) |
| MD | Materiel Development | 器材研制 |
| MD | Measurable Development (Sterling Performance Corporation) | 可衡量的发展(Sterling Performance Corporation) |
| MD | Military District | 军区 |
| MD | Microdrive | 微型驱动器 |
| MD | Minor Defect | 轻微缺陷 |
| MD | Mailed | 邮寄 |
| MD | Mortgage Deed | 抵押契据 |
| MD | Multivariate Distribution | 多元分布 |
| MD | Machine Direction | 机器方向 |
| MD | Mechanized Division | 机械化师 |
| MD | Modulation Depth | 调制深度 |
| MD | Mudug (postal region, Somalia) | 穆杜格(索马里邮政区) |
| MD | Module Designer (gaming) | 模块设计器(游戏) |
| MD | Miller Draft | 米勒草稿 |
| MD | Management Directive | 管理指令 |
| MD | Duration Magnitude (US Geological Survey; used to compute earthquake size based on shake time) | 持续震级(美国地质调查局;用于根据震动时间计算地震规模) |
| MD | Missing Data (statistics) | 缺少数据(统计数据) |
| MD | MediaDriven | 媒体驱动 |
| MD | Multi-Dimensional | 多维 |
| MD | Miles Davis | 迈尔斯·戴维斯 |
| MD | Mass Destruction | 大规模毁灭 |
| MD | Music Department | 音乐系 |
| MD | Microphone Doctor | 麦克风医生 |
| MD | Musical Director | 音乐总监 |
| MD | Macular Degeneration | 黄斑变性 |
| MD | Master Document | 主文档 |
| MD | Man-Day | 人日 |
| MD | middlebrook-dubos test | 米德尔布鲁克-杜博斯试验 |
| MD | Monochrome Display | 单色显示器 |
| MD | Mother's Day | n. 母亲节(在美国为五月的第二个星期日) |
| MD | Master's Degree | n. 硕士学位 |
| MD | Middle Dutch | 中古荷兰语 |
| MD | Memorial Day | 阵亡将士纪念日 |
| MD | Manic Depression | 躁狂抑郁症 |
| MD | Model | 模型 |
| MD | Metal Detector | 金属探测器 |
| MD | Microwave Drying | 微波干燥 |
| MD | Meridian Day | 子午日 |
| MD | Medicinae Doctor (Doctor of Medicine) | 医学博士(医学博士) |
| MD | Maryland (US postal abbreviation) | 马里兰(美国邮政缩写) |
| MD | Mail Drop | 邮件投递 |
| MD | Mail Destination | 邮件目的地 |