| Abbreviation | Definition |
|---|---|
| FLT | Fleet |
| FLTLT | Flight Lieutenant |
| FLTSAT | Fleet Satellite |
| FLU | Front Light Unit |
| FLUT | French Legions Understand Trauma |
| FLW | Fort Leonard Wood |
| FM | Field Manual |
| FM | Field Marshall |
| FM | Financial Management |
| FM | Fire Mission |
| FM | Flare Multiunit |
| FM | Force Module |
| FM | Fort Meade |
| FM | Frequency Modulation |
| FM | Front Midship |
| FM | Functional Manager |
| FMA | Flight Mechanic Airframes |
| FMAD | Financial Management and Accounting Division |
| FMA-Net | Frequency Management A-Network |
| FMAS | Foreign Media Analysis System |