| FCL | full container load | 整箱货 |
| FCL | Flight Control Laboratory | 飞行控制实验室 |
| FCL | Federated Credit Limited | 联合信贷有限公司 |
| FCL | Foldback Current Limiter | 折叠限流器 |
| FCL | Forwarding Control Layer | 转发控制层 |
| FCL | Football Club Lugano (Swiss soccer club) | 卢加诺足球俱乐部（瑞士足球俱乐部） |
| FCL | Fatigue Critical Location | 疲劳临界位置 |
| FCL | Fussball Club Luzern (Swiss soccer club) | Fussball Club Luzern（瑞士足球俱乐部） |
| FCL | Fuelcell Energy, Inc. | 燃料电池能源公司。 |
| FCL | Fast Carry Logic | 快速进位逻辑 |
| FCL | Freedom Cruise Line | 自由游轮 |
| FCL | Full Camera Link (Farbversion) | 全摄像头链接（Farbversion） |
| FCL | Football Club de Lorient (French soccer team) | 洛里昂足球俱乐部（法国足球队） |
| FCL | Foundation Coal Holdings, Inc. | 基础煤炭控股有限公司。 |
| FCL | Fetal Calf Ligament | 胎儿小腿韧带 |
| FCL | Foundation Computer Lab (computer skills class) | 基础计算机实验室（计算机技能班） |
| FCL | Framework Class Library | 框架类库 |
| FCL | Ferrite-Coupled Line | 铁氧体耦合线 |
| FCL | Fuze Cavity Liner | 引信空腔内衬 |
| FCL | Fuzzy Control Language | 模糊控制语言 |
| FCL | FORTRAN Command Language | FORTRAN命令语言 |
| FCL | Florence Crittenton League | 弗洛伦斯·克里滕顿联盟 |
| FCL | Fylde Community Link (UK charitable organization) | Fylde社区链接（英国慈善组织） |
| FCL | Font Compiler And Loader | 字体编译器和加载器 |
| FCL | Feedback Control Loop | 反馈控制回路 |
| FCL | Flight Clearance Letter | 飞行许可证 |
| FCL | Framework Command Line | 框架命令行 |
| FCL | Facility (Security) Clearance | 设施（安全）许可 |
| FCL | Florida Combined Life Insurance Company, Inc. | 佛罗里达联合人寿保险公司。 |
| FCL | Fetch Command Load | 获取命令加载 |
| FCL | Feature Code Library (Trimble Corporation) | 要素代码库（Trimble Corporation） |
| FCL | Forecastle (ship's hull) | 艏楼(船的船体) |
| FCL | Foreign Civil Litigation | 外国民事诉讼 |
| FCL | Fibre Channel Loop | 光纤通道环路 |
| FCL | Facsimile Command Language (RightFax) | 传真命令语言（RightFax） |
| FCL | Fault Current Limiter | 故障电流限制器 |
| FCL | Finished Ceiling Level (architectural notation) | 完工天花板标高（建筑符号） |
| FCL | Fussballclub Locarno (Swiss soccer club) | 洛迦诺足球俱乐部（瑞士足球俱乐部） |
| FCL | Fire Coordination Line | 消防协调线 |
| FCL | Failure Count - Line (Telabs) | 故障计数-行（Telabs） |
| FCL | Fraternity, Charity and Loyalty (Grand Army of the Republic) | 博爱、慈善和忠诚（共和国陆军） |
| FCL | Functional Capability List | 功能能力列表 |