| LD | Laser Disk | 镭射光盘 |
| LD | long distance | 长途电话通讯;长途电话局 |
| LD | Labor Department | 劳工部[美] |
| LD | lethal dose | 致死剂(药)量 |
| LD | Laser Diode | 雷射二极管 |
| LD | linkage disequilibrium | 连锁不平衡 |
| LD | late deceleration | 晚期减速 |
| LD | LIGHT DIESEL | 轻柴油 |
| LD | Leak Detector | 检漏器 |
| LD | Local Delivery | 当地交付 |
| LD | Laser Desorption | 激光解析 |
| LD | Libya Dinar | 第纳尔 |
| LD | Link Disconnect | 链路断开 |
| LD | lao da | 老大 |
| LD | Line of Duty | 职责范围 |
| LD | Legionnaire's Disease | 军团病 |
| LD | Laser-Doppler | 激光多普勒 |
| LD | Large Deviation | 大偏差 |
| LD | Local Directory | 本地目录 |
| LD | Left Defence | 左防御 |
| LD | Layer Depth | 层深度（Layer Depth） |
| LD | Lucid Dream | 清明梦 |
| LD | Logic Driver | 逻辑驱动器 |
| LD | Line Driver | 线路驱动器 |
| LD | Local Distribution | 本地分发 |
| LD | Limit of Detection | 检测限值 |
| LD | Levodopa | 左旋多巴 |
| LD | Light Duty | 轻型 |
| LD | Loaded Deployability | 加载的可部署性 |
| LD | Later Dude | 后来的伙计 |
| LD | Lady Day | 妇女节 |
| LD | Loading Dose | 加载剂量 |
| LD | Labor and Delivery | 劳动力和交付 |
| LD | Lead | 领导 |
| LD | Loser Denial (band) | Loser拒绝（频带） |
| LD | Leader Designation | 领导职务 |
| LD | Long Dwell | 长时间停留 |
| LD | Laser Dragoon (Star Kingdoms game) | 激光龙（星际王国游戏） |
| LD | Lincoln-Douglas Debate | 林肯-道格拉斯辩论 |
| LD | Law Degree | 法律学位 |
| LD | Library Loader (Unix) | 库加载器（Unix） |
| LD | Linear Decision | 线性决策 |
| LD | Linear Dispersive | 线性分散剂 |
| LD | Liquidated Damages (contracts) | 违约赔偿金（合同） |
| LD | Letter Directive | 信函指令 |
| LD | Libyan Dinar (unit of currency) | 利比亚第纳尔（货币单位） |
| LD | Logistic Demonstration | 后勤展示 |
| LD | Lake Doctor | 湖泊医生 |
| LD | Loop Disconnect (telecommunications) | 回路断开（电信） |
| LD | Lame Ducks (band) | Lame Ducks（乐队） |
| LD | Localizer Deviation | 定位器偏差 |
| LD | Labor Doula (childbirth) | 分娩Doula（分娩） |
| LD | Living Dead (gaming clan) | 活死人（游戏部落） |
| LD | Lands Department (Hong Kong) | 地政总署（中国香港） |
| LD | Large Drives (Siemens A&D) | 西门子自动化和驱动的驱动(大) |
| LD | Liberal Democrat (UK) | 自由民主党（英国） |
| LD | Landscape Designer | 景观设计师 |
| LD | Listwise Deletion | 剔除法 |
| LD | Lyme Disease | 莱姆病 |
| LD | Liver Disease | 肝病 |
| LD | Living Donor | 活体捐赠者 |
| LD | Llandrindod Wells (postcode, United Kingdom) | Llandrindod Wells（邮政编码，英国） |
| LD | Lipodystrophy | 脂肪营养不良 |
| LD | Low Drag | 低阻力 |
| LD | Laser Disc | 激光光盘 |
| LD | Laboratory Development | 实验室开发 |
| LD | Learning Disability | 学习障碍 |
| LD | Limited Deployment | 有限的部署 |
| LD | Line of Departure | 出发线 |
| LD | Lay Down (engine type) | 放下（发动机类型） |
| LD | The Light Dragoons (a British Regiment) | 轻骑兵（英国军团） |
| LD | Luminescence Detector | 发光检测器 |
| LD | Lower Division (degree plan) | 低年级（学位计划） |
| LD | Legal Driver | 法律驱动程序 |
| LD | Last Dose | 最后一次剂量 |
| LD | Leonardo Dicaprio (actor) | 莱昂纳多·迪卡普里奥（演员） |
| LD | Little District | Little区 |
| LD | Lost Descendant (gaming clan) | 失落的后裔（游戏氏族） |
| LD | LAN Destination (ATM) | LAN目标（ATM） |
| LD | Lunar Distance (distance between Earth and the Moon) | 月球距离（地球和月球之间的距离） |
| LD | Low Down (song title) | Low-Down（歌曲标题） |
| LD | Lemon Demon (band) | 柠檬恶魔（乐队） |
| LD | Line Drawer | 线条抽屉 |
| LD | Lighting Designer (theatre) | 灯光设计师（剧院） |
| LD | Locate & Destroy | 定位和毁灭 |
| LD | Let's Dance | 让我们跳舞 |
| LD | Lighting Director (touring musical acts) | 灯光总监（巡回音乐表演） |
| LD | Low Dermal | 低真皮 |
| LD | Light Defense (gaming) | 光防御（游戏） |
| LD | Licensed Dietitian | 持证营养师 |
| LD | Low Density | 低密度 |
| LD | Laser Designator | 激光指示器 |
| LD | Learning Disabled | 学习已禁用 |
| LD | Load | 负载 |
| LD | Labor Day (US holiday) | 劳动节（美国假期） |
| LD | Leak Detection | 泄漏检测 |
| LD | Land Disposal | 土地处置 |
| LD | Logic Diagram | 逻辑图 |
| LD | Ladder Diagram | 梯形图 |