| FSS | Federal Supply Service | 联邦供应服务站（部） |
| FSS | Flying Spot Scanner | 飞点扫描设备 |
| FSS | Fuel Safety System | 燃料安全系统 |
| FSS | Fixed Satellite Service | 固定卫星业务 |
| FSS | Frame Synchronous Scrambling | 帧同步扰码 |
| FSS | Flight Service Station | 飞行服务站 |
| FSS | Flight Support Structure | 飞行支持结构 |
| FSS | Federal Supply Service (US General Services Administration) | 联邦供应局（美国总务管理局） |
| FSS | Flight Software Subsystem | 飞行软件子系统 |
| FSS | Friday, Saturday, Sunday (movie weekend box office receipts) | 周五、周六、周日（电影周末票房收入） |
| FSS | Forensic Science Service (Great Britain) | 法医科学服务（英国） |
| FSS | Functional Simulation System | 功能模拟系统 |
| FSS | Fonds des Services de SantÉ (French: Contribution to the health services fund; QuÉbec, Canada) | Fonds des Services de SantÉ (French: Contribution to the health services fund; QuÉbec, Canada) |
| FSS | Flight Support System | 飞行支持系统 |
| FSS | Fonds SpÉcial de SolidaritÉ (French: Belgium insurance) | Fonds SpÉcial de SolidaritÉ (French: Belgium insurance) |
| FSS | Flight Safety System | 飞行安全系统 |
| FSS | Fixed Service System | 固定服务系统 |
| FSS | Food Service Sergeant | 食品服务军士 |
| FSS | Flutter Suppression System | 颤振抑制系统 |
| FSS | Fokker Space Systems | 福克空间系统 |
| FSS | Facilities Security and Safeguards Division | 设施安全和保障司 |
| FSS | Foundation Stock Service | 基础股票服务 |
| FSS | Fire Support System | 消防支持系统 |
| FSS | Frequent State Saving | 频繁保存状态 |
| FSS | Force Support Squadron | 部队支援中队 |
| FSS | Food Service Solutions (Altoona, PA) | 食品服务解决方案（宾夕法尼亚州Altoona） |
| FSS | Forward Scatter Site | 前向散射站点 |
| FSS | Fully Separate Subsidiary | 完全独立的子公司 |
| FSS | Flight Security Supervisor | 飞行安全主管 |
| FSS | Frequency-Selective Structure | 频率选择结构 |
| FSS | Field Support Services | 现场支持服务 |
| FSS | Fast Slot Synchronization | 快速插槽同步 |
| FSS | Family Support Services of North Florida, Inc. | 北佛罗里达州家庭支持服务公司。 |
| FSS | Fire Survey System (insurance) | 火灾调查系统（保险） |
| FSS | File Sharing Services | 文件共享服务 |
| FSS | Flinders Street Station ( Melbourne, Australia) | 弗林德斯街站（澳大利亚墨尔本） |
| FSS | Flight Service Specialist (US FAA) | 飞行服务专家（美国联邦航空局） |
| FSS | Fast System Switch (Unix) | 快速系统交换机（Unix） |
| FSS | Fire Support Status | 火力支援状态 |
| FSS | Facility Support Subsystem | 设施支持子系统 |
| FSS | Firefinder Survivability Suite | Firefinder生存能力套件 |
| FSS | Fade-Slope Statistic(s) | 渐变坡度统计 |
| FSS | Fire Suppression System | 灭火系统 |
| FSS | fermentation stimulating substance | 发酵刺激物质 |
| FSS | Filtered Survivable Schedules | 筛选的可生存计划 |
| FSS | frozen semen storage | 冷冻精液储存 |
| FSS | Foundation Stock Services | 基金会股票服务 |
| FSS | front support strap | 前支撑带 |
| FSS | Full Scale Span | 满量程范围 |
| FSS | Federal Signal Corporation | 联邦信号公司 |
| FSS | Federal Supply Schedule | 联邦供应计划 |
| FSS | functional systems scale | 功能系统规模 |
| FSS | Forensic Science Service | 法庭科学服务中心 |
| FSS | Field Support System | 现场支持系统 |
| FSS | File System Safe | 文件系统安全 |
| FSS | Frederick S Strong | 弗雷德里克·斯特朗 |
| FSS | Four Summers to Success | 成功的四个夏天 |
| FSS | Fire Support Section (or System) | 消防支援科（或系统） |
| FSS | Federated Star Ship | 联邦星舰 |
| FSS | Forres, Scotland | 苏格兰福雷斯 |
| FSS | Fellow of the Statistical Society | 统计学会会员 |
| FSS | Fine Sun Sensor | 精细阳光传感器 |
| FSS | Fuel Supply Shutdown | 燃油供应关闭 |
| FSS | First Stop Shop | 第一站商店 |
| FSS | Forensic Science Society | 法医科学学会 |
| FSS | Familial Short Stature | 家族短雕像 |
| FSS | Fast Sealift Ship | 快速海运船 |
| FSS | Federal Security Service | 联邦安全局 |
| FSS | Fire Support Section | 消防支援科 |
| FSS | Frequency Surveillance System | 频率监控系统 |
| FSS | Forward Support Site | 前方支持站点 |
| FSS | Fire Safety System | 消防安全系统 |
| FSS | File Survey System | 文件调查系统 |
| FSS | Frequency Selective Surface | 频率选择性表面 |
| FSS | Freeman-Sheldon Syndrome | 弗里曼-谢尔顿综合征 |
| FSS | Fuel Supply System | 燃油供应系统 |
| FSS | Full Supply Support | 全面供应支持 |
| FSS | Fire Support Station | 消防支持站 |
| FSS | Fixed Site SCAMP | 固定站点SCAMP |
| FSS | Fail-Safe State | 故障安全状态 |
| FSS | Facility Status Sheet | 设施状态表 |
| FSS | Frontenac Secondary School (Ontario, Canada) | Frontenac中学（加拿大安大略省） |
| FSS | Financial Service Standards LLC | 金融服务标准有限责任公司 |
| FSS | Forward Supply Support | 前方供应支持 |
| FSS | Forward Scatter System | 前向散射系统 |
| FSS | Field Service Site | 现场服务现场 |
| FSS | Fanguard Security Services (UK) | Fanguard安全服务（英国） |
| FSS | Fin Stabilizer System | 减摇鳍系统 |
| FSS | Flexibles Service System | Flexibles服务系统 |
| FSS | Fiber Sequence Selection | 光纤序列选择 |
| FSS | Full Service Supplier | 全方位服务供应商 |
| FSS | Fault Status Symbol | 故障状态符号 |
| FSS | Failed Signal State | 故障信号状态 |
| FSS | Federal Supply Schedule/Service | 联邦供应计划/服务 |
| FSS | Family Self-Sufficiency | 家庭自给自足 |
| FSS | Facility Service Selective | 设施服务选择性 |
| FSS | Financial Shared Services | 财务共享服务 |
| FSS | Fixed Sample Size | 固定样本量 |
| FSS | Financial Supervisory Service (South Korea) | 金融监督服务（韩国） |
| FSS | Force Sustainment Systems | 部队维持系统 |