| Abbreviation | Definition |
|---|---|
| FC3 | Fire Controlman Third Class |
| FCA | Foreign Claims Act |
| FCA | Functional Configuration Audit |
| FCAO | Field Contract Administration Office |
| F-CAP | Force-Closure Analysis Program |
| FCAS | Future Combat Air System |
| FCAT | Future Combined Artillery Team |
| FCC | Chief Fire Controlman |
| FCC | Family Care Center |
| FCC | Family Care Clinic |
| FCC | Federal Coordinating Center |
| FCC | Flight Control Center |
| FCC | Flight Coordination Center |
| FCC | Functional Combatant Commander |
| FCCC | Family Child Care Curriculum |
| FCCH | Family Child Care Home |
| FCCM | Master Chief Fire Controlman |
| FCCS | Senior Chief Fire Controlman |
| FCD | Forces Comoriennes De Defence |
| FCD | Fuel Cut Defense |