| Abbreviation | Definition |
|---|---|
| FMMUX | Frequency Modulation Multiplexer |
| FMNO | Federal Ministry of National Defense |
| FMO | Frequency Management Office |
| FMO | Functional Manager Office |
| FMP | Family Member Prefix |
| FMP | Force Management Program |
| FMP | Force Management Programme |
| FMP | Force Modernization Package |
| FMP | Force Module Package |
| FMP | Foreign Materiel Program |
| FMP | FORSCOM Mobilization Plan |
| FMP | Frequency Management Plan |
| FMPV | Fast Missile Patrol Vessel |
| FMR | Frequency Modulation Radar |
| FMS | Force Mode Squad |
| FMS | Force Module Subsystem |
| FMS | Foreign Military Sales |
| FMSC | Frequency Management Sub-Committee |
| FMSF | Fissile Material Storage Facility |
| FMSO | Foreign Military Studies Office |