| Acronym | Definition |
|---|
| FCL | Full Container Load |
| FCL | Facility (Security) Clearance |
| FCL | Framework Class Library (Microsoft .NET) |
| FCL | Foreclosure (also seen as FC) |
| FCL | Flexible Credit Line (International Monetary Fund) |
| FCL | Fault Current Limiter |
| FCL | Forecastle (ship's hull) |
| FCL | Future Concept Lab (Italy) |
| FCL | Family Community Leadership (various organizations) |
| FCL | Facsimile Command Language (RightFax) |
| FCL | Football Club de Lorient (French soccer team) |
| FCL | Fibre Channel Loop |
| FCL | Feedback Control Loop |
| FCL | Fussball Club Luzern (Swiss soccer club) |
| FCL | Farm Credit Leasing Services Corporation (Minneapolis, MN; also seen as FCLSC) |
| FCL | Florida Combined Life Insurance Company, Inc. |
| FCL | Finished Ceiling Level (architectural notation) |
| FCL | Free Convective Layer (atmospheric science) |
| FCL | Future Civic Leaders (Washington, DC; est. 2009) |
| FCL | Framework Command Line |
| FCL | Ferrite-Coupled Line |
| FCL | Failure Count - Line (Telabs) |
| FCL | Fraternity, Charity and Loyalty (Grand Army of the Republic) |
| FCL | Football Club Lugano (Swiss soccer club) |
| FCL | FORTRAN Command Language |
| FCL | Foster Care Link (UK) |
| FCL | Fire Coordination Line |
| FCL | Fast Carry Logic |
| FCL | Fetal Calf Ligament |
| FCL | Foldback Current Limiter (electronics) |
| FCL | Fetch Command Load |
| FCL | Foundation Computer Lab (computer skills class) |
| FCL | Feature Code Library (Trimble Corporation) |
| FCL | Fuze Cavity Liner |
| FCL | Flight Clearance Letter |
| FCL | Functional Capability List |
| FCL | Fussballclub Locarno (Swiss soccer club) |
| FCL | Foreign Civil Litigation |
| FCL | Full Camera Link (Farbversion) |
| FCL | Fylde Community Link (UK charitable organization) |
| FCL | Foundation Class Library (computing) |
| FCL | First Class Letter (USPS) |
| FCL | Fort Canning Lodge (Young Women's Christian Association; Singapore) |
| FCL | Financial Component of Liabilities (insurance) |