| FCS | Frame Check (Checking) Sequence | 帧检查序列 |
| FCS | Fieldbus Control System | 现场总线控制系统 |
| FCS | First Customer Ship | 首批出貨 |
| FCS | Fast Circuit Switching | 快速电路交换 |
| FCS | Fiber Channel Standard | 光纤信道标准 |
| FCS | Fire Control System | 火控系统 |
| FCS | Flight Control System | 飞行控制系统 |
| FCS | Colorado Springs Butts AAF United States (airport code) | 科罗拉多泉Butts AAF美国(机场代码) |
| FCS | Fast Cell Search | 快速单元格搜索 |
| FCS | Fox College Sports | 福克斯学院体育 |
| FCS | Fredericksburg Christian School | 弗雷德里克斯堡基督教学校 |
| FCS | Field Crop Sprayer | 田间作物喷洒机 |
| FCS | Factory Communication System | 工厂通信系统 |
| FCS | Failure Characterization Subsystem | 故障表征子系统 |
| FCS | Funding Control System (Department of the Army) | 资金控制系统(陆军部) |
| FCS | Foundation for A Civil Society, Ltd. | 公民社会基金会。 |
| FCS | Fulton County Stadium (Atlanta, GA) | 富尔顿县体育场(佐治亚州亚特兰大) |
| FCS | Florence Crittenton Services | Florence Crittenton服务 |
| FCS | Football Championship Subdivision | 足球锦标赛细分 |
| FCS | Flag Check Sequence | 标志检查顺序 |
| FCS | Food Contact Surface | 食品接触面 |
| FCS | Fletcher Cemetery Site (Historical Indian Burial Site, Bay City, Michigan) | 弗莱彻公墓遗址(密歇根州海湾市历史印第安人墓地) |
| FCS | Federal Cyber Services | 联邦网络服务 |
| FCS | Fire Controlman, Submarine | 潜艇火控员 |
| FCS | Ferrocarriles Salitreros de TarapacÁ (Spanish, railway) | Ferrocarriles Salitreros de TarapacÁ (Spanish, railway) |
| FCS | Fuel Control System | 燃油控制系统 |
| FCS | Future Combat Systems (US Army) | 未来作战系统(美国陆军) |
| FCS | Fresno Christian Schools (Fresno, CA) | 弗雷斯诺基督教学校(加利福尼亚州弗雷斯诺) |
| FCS | First Commercial Shipment | 首次商业装运 |
| FCS | Factory Control System | 工厂控制系统 |
| FCS | Free Cafe Saturdays | 周六免费咖啡馆 |
| FCS | flow cytosorting | 流式细胞分选 |
| FCS | Final Candidate System | 最终候选系统 |
| FCS | fibrocolonoscope | 纤维结肠镜 |
| FCS | For Christ's Sake! | 我为基督的缘故吧! |
| FCS | Future Combat System | 未来作战系统 |
| FCS | Form Conversion Software | 表单转换软件 |
| FCS | Family And Consumer Science | 家庭与消费者科学 |
| FCS | First Church Of Swing | 第一摇摆教堂 |
| FCS | First Class Software | 一流软件 |
| FCS | Fairchild Semiconductor International | Fairchild半导体国际 |
| FCS | Full Certification Scheme | 完整认证方案 |
| FCS | Fieldbus Connection System | 现场总线连接系统 |
| FCS | Fin Control System | 鳍控制系统 |
| FCS | Family Consultation Service | 家庭咨询服务 |
| FCS | Family Consumer Science | 家庭消费科学 |
| FCS | First Copy Shipped | 第一份已发货 |
| FCS | First Choice School | 首选学校 |
| FCS | Forward Control Section | 前进控制部分 |
| FCS | Fellowship of Christian Students | 基督教学生联谊会 |
| FCS | Focal Glomerulosclerosis | 局灶性肾小球硬化 |
| FCS | File Control System | 文件控制系统 |
| FCS | Free Cutting Steel | 易切削钢 |
| FCS | Facsimile Communication System | 传真通信系统 |
| FCS | Foreign Commercial Service | 外国商业服务 |
| FCS | Feedback Control System | 反馈控制系统 |
| FCS | Farm Consultation Service (Canada) | 农场咨询服务(加拿大) |
| FCS | Final Candidate Status | 最终候选人状态 |
| FCS | Fire Control Simulator | 消防模拟器 |
| FCS | Frequency Control Symposium (IEEE) | 频率控制研讨会(IEEE) |
| FCS | Fluorescence Correlation Spectroscopy | 荧光相关光谱 |
| FCS | Free Choice Screening Test | 自由选择筛选测试 |
| FCS | Financial Control System (Sprint) | 财务控制系统(Sprint) |
| FCS | Fiber Characterization Services | 光纤特性服务 |
| FCS | Food, Clothing, Shelter (poverty measurement, subsistence) | 食物、衣服、住房(贫困测量、生计) |
| FCS | Framingham Children's Study | 弗莱明翰孩子的学习 |
| FCS | Flesh Craving Supermen (band) | 肉欲超人(乐队) |
| FCS | Fort Calhoun Station | 卡尔霍恩堡站 |
| FCS | Flight Crew Systems | 飞行机组系统 |
| FCS | Fibre Channel System | 光纤通道系统 |
| FCS | Flexnet Controller System (Bellcore) | Flexnet控制器系统(Bellcore) |
| FCS | Faciocutaneoskeletal Syndrome (aka Costello Syndrome) | 面部皮肤骨骼综合征(又名Costello综合征) |
| FCS | Fussball Club Schaffhausen (Swiss soccer club) | 沙夫豪森足球俱乐部(瑞士足球俱乐部) |
| FCS | Fire Control Section | 消防科 |
| FCS | Free Channel Search | 免费频道搜索 |
| FCS | Forecasted Component Schedule | 预测组件计划 |
| FCS | Finite Coordinate Space | 有限坐标空间 |
| FCS | Fading Channel Simulator | 衰落信道模拟器 |
| FCS | Florida Citrus Sports | 佛罗里达柑橘运动 |
| FCS | Frequency Conversion Subsystem | 变频子系统 |
| FCS | Family/Category Specialist | 家庭/类别专家 |
| FCS | Finite Capacity Scheduling | 有限容量调度 |
| FCS | First Customer Shipment | 首次客户发货 |
| FCS | Fast Circuit Switching (ATMF) | 快速电路切换(ATMF) |
| FCS | Faceted Classification Schema | 分面分类架构 |
| FCS | Federal Catalog System | 联邦目录系统 |
| FCS | Facility Checking Squadron | 设施检查中队 |
| FCS | Frame Check Sequence | 帧检查顺序 |
| FCS | Fibre Channel Standard | 光纤通道标准 |
| FCS | Federation of Communication Services (UK) | 通信服务联合会(英国) |
| FCS | Family and Consumer Sciences | 家庭和消费者科学 |
| FCS | Family and Community Services | 家庭和社区服务 |
| FCS | Fetal Calf Serum | 胎牛血清 |
| FCS | Frame Check Sum | 框架检查总和 |
| FCS | Flow Cytometry Standard | 流式细胞术标准 |
| FCS | First Commercial Shipment (software release) | 首次商业发货(软件发布) |
| FCS | Fellow of the Chemical Society | 化学学会会员 |
| FCS | Flexible Careers Scheme (UK) | 灵活就业计划(英国) |
| FCS | Finnish Cardiac Society (Oulu, Finland) | 芬兰心脏学会(芬兰奥卢) |
| FCS | Foundations of Computer Security | 计算机安全基础 |