| FD | Fire Door | 防火门 |
| FD | ferredoxin | 铁氧还蛋白 |
| FD | focal distance | 焦距 |
| FD | fatal dose | 致死剂量 |
| FD | Floppy Disk | 软盘 |
| FD | Frequency Domain | 频域,，频率范围 |
| FD | Flame Detector | 火焰探测器 |
| FD | Floor Distributor | 分频器 |
| FD | Full Duplex | 全双工 |
| FD | fullfillment distributor | 资金物流平台 |
| FD | Floating Dock | 浮船坞 |
| FD | Forced Draft | 强制通风，压力送风 |
| FD | Fiber Duct | 光纤管道 |
| FD | Frame Disassembler | 帧分解器 |
| FD | File Defend | 文件防御体系 |
| FD | Federal District | 联邦区 |
| FD | Finance Detachment | 财务支队 |
| FD | Forsvarsdepartementet (Norwegian: Ministry of Defence) | Forsvarsdepartement（挪威语：国防部） |
| FD | Function Director | 职能主管 |
| FD | Federation of Democrats | 民主党联合会 |
| FD | Family of Documents | 文档系列 |
| FD | Fourth Dimension (band) | 第四维度（带） |
| FD | Falsified Data | 伪造的数据 |
| FD | Fade Depth | 淡入深度（Fade Depth） |
| FD | Feeder Data | 进纸器数据 |
| FD | Winds Aloft forecast | 高空风预报 |
| FD | Fade Duration | 淡入持续时间 |
| FD | Forbidden Dialect (band) | 禁用方言（乐队） |
| FD | Feasible Distance | 可行距离 |
| FD | Fighter Division | 战斗机师 |
| FD | Flaming Datum | 火焰基准面 |
| FD | Final Destination (gaming clan; movie) | 最终目的地（游戏部落；电影） |
| FD | Flyball Dog (canine performance title) | Flyball Dog（犬类表演标题） |
| FD | Fluor Daniel (company) | Fluor Daniel（公司） |
| FD | Fitness for Duty (attendance code) | 适合上岗（出勤代码） |
| FD | Farmacia de Descuento (Guatemalan drug store) | Farmacia de Descuento（危地马拉药店） |
| FD | Funeral Director | 丧葬承办人 |
| FD | Father's Day | n. 父亲节(每年6月的第三个星期日) |
| FD | Flight Data | 飞行数据 |
| FD | Fair Disclosure (Securities and Exchange Commission) | 公平披露（证券交易委员会） |
| FD | Friend | 朋友 |
| FD | Fire Department | 消防部门 |
| FD | Functional Decomposition | 功能分解 |
| FD | Forceps Delivery | 钳子输送 |
| FD | Functional Description | 功能描述 |
| FD | Factual Discrepancy (job candidate resume) | 事实差异（求职者简历） |
| FD | Functional Dependency | 功能相关性 |
| FD | Forced Draft (fan in furnaces) | 强制通风（熔炉中的风扇） |
| FD | Fire Direction | 火灾方向 |
| FD | Front Democratique (French: Democratic Front) | 民主阵线（法语：Democratitique） |
| FD | Fidei Defensor | Fidei防御者 |
| FD | Framework Decision (European Union council) | 框架决定（欧盟理事会） |
| FD | Final Drawings | 最终图纸 |
| FD | Forward Detector | 正向探测器 |
| FD | Focus-Defocus | 聚焦散焦 |
| FD | Failure Definition | 故障定义 |
| FD | Final Deposit | 最终保证金 |
| FD | Foundation Data | 基础数据 |
| FD | Fire Damper (HVAC systems) | 防火阀（暖通空调系统） |
| FD | Fixed Disc | 固定式阀瓣 |
| FD | Floor Drain (construction plans; plumbing) | 地漏（施工图；管道） |
| FD | Forward Detachment | 前方支队 |
| FD | Fox Die (gaming, Metal Gear Solid) | Fox Die（游戏，金属齿轮实心） |
| FD | Foreign Disclosure | 对外披露 |
| FD | Feign Death (Everquest) | 假死（永恒） |
| FD | Field Directive | 现场指令 |
| FD | First Deployment | 首次部署 |
| FD | Farad (electronics) | 法拉（电子） |
| FD | Fail(ed) Dangerous | 失败（d）危险 |
| FD | Fill Device | 填充设备 |
| FD | Fatal Death | 致命死亡 |
| FD | Federal Document | 联邦文件 |
| FD | Full Disclosure | 完全披露 |
| FD | Finite Difference | 有限差分 |
| FD | Full Definition | 完整定义 |
| FD | Finance Director | 财务总监 |
| FD | Float Double | 浮点双精度 |
| FD | Full Day | 全天 |
| FD | Forest Department | 林业部 |
| FD | File Descriptor | 文件描述符 |
| FD | Family Doctor | 家庭医生 |
| FD | Flight Dynamics | 飞行动力学 |
| FD | Fourier Descriptor | 傅里叶描述符 |
| FD | Fuel Drain | 燃油排放口 |
| FD | Frequency Divider | 分频器 |
| FD | Forecast Winds and Temperatures Aloft | 预测高空风和温度 |
| FD | Force Development | 部队发展 |
| FD | Fjord | 峡湾 |
| FD | Free Download | 免费下载 |
| FD | Flight Director | 飞行总监 |
| FD | Fixed Deposit | 定期存款 |
| FD | Field Data | 现场数据 |
| FD | Fault Detection | 故障检测 |
| FD | Final Determination | 最终确定 |
| FD | First Down | 第一个向下 |
| FD | Failure Density | 故障密度 |
| FD | Feed | 喂养 |
| FD | Frequency Density | 频率密度 |
| FD | Final Design | 最终设计 |