| Acronym | Definition |
|---|
| FCI | Fédération Cynologique Internationale (French: World Canine Organisation, Belgium) |
| FCI | Federazione Ciclistica Italiana (Italian Cycling Federation) |
| FCI | Federal Correctional Institution |
| FCI | Fondation Canadienne pour l'Innovation (Canadian Foundation for Innovation) |
| FCI | Family Care International |
| FCI | Food Corporation of India |
| FCI | French Culinary Institute |
| FCI | Facility Condition Index |
| FCI | Foreign CounterIntelligence |
| FCI | Full Configuration Interaction |
| FCI | Flux Changes per Inch |
| FCI | Fluid Controls Institute |
| FCI | Fertilizer Corporation of India |
| FCI | Fibre Channel Interface |
| FCI | Fuel-Coolant Interaction (vapor explosion) |
| FCI | Fixed Capital Investment |
| FCI | Functional Configuration Identification |
| FCI | Forward Call Indicator |
| FCI | Flow Control Indicator (DLSW) |
| FCI | Faulted Circuit Indicator |
| FCI | Frame Copied Indicator (Mac/Token Ring) |
| FCI | Forward Cache Identifier (Catnip) |
| FCI | Financial Conditions Index |
| FCI | Florida Certified Investigator |
| FCI | Formula Consultants, Inc. |
| FCI | France Cooperation International |
| FCI | Furnish Charging Information (sent from SCP to SSP to control CDR generation) |
| FCI | Ferrocarril Interoceanico (Interoceanic Railroad, Mexico) |
| FCI | Food Craft Institute (Pune, India) |
| FCI | Full-Color Illustrations (publishing) |
| FCI | First Carolina Investors, Inc. (former stock symbol; now FCAR) |
| FCI | Fire Control Instrument |
| FCI | Flight Crew Integration |
| FCI | Fire Control Information |
| FCI | Flight Control Integration |
| FCI | Fundación Centroamericana Por La Integración (Spanish: Central American Foundation for Integration) |
| FCI | Fairchild Camera and Instrument Corporation |
| FCI | Fédération des Coordinations Infirmières |
| FCI | Fuel Contamination Indicator |
| FCI | Floridians for Constitutional Integrity (Gainesville, FL, USA) |
| FCI | Frozen Cow Industries (forum) |
| FCI | Flight Crew Instruction |
| FCI | Friends of the Ceeli Institute (Washington, DC) |