| Abbreviation | Definition |
|---|---|
| FC | Final Coordination |
| FC | Finance Code |
| FC | Fire Control |
| FC | Fire Controlman |
| FC | Fires Cell (Army) |
| FC | First Company |
| FC | Fix Commands |
| FC | Flag Carrier |
| FC | Fleet Command |
| FC | Flight Controls |
| FC | Floating Causeway |
| FC | Floating Craft |
| FC | Flying Circus |
| FC | Force Commander |
| FC | Forced Collaboration |
| FC | Fragmentation Control |
| FC | Frequency Control |
| FC | Friendly Capability |
| FC1 | Fire Controlman First Class |
| FC2 | Fire Controlman Second Class |