| Abbreviation | Definition |
|---|---|
| FMLA | Family and Medical Leave Act |
| FMP | Facilities Management Plan |
| FMR | Financial Management Regulation |
| FMR | Forced Migration Review |
| FMS | Fear of Missing Something |
| FMS | Financial Management Service |
| FNB | Food and Nutrition Board |
| FNCS | Food, Nutrition, and Consumer Services |
| FNMA | Federal National Mortgage Association |
| FNS | Food and Nutrition Service |
| FO | Foreign Office |
| FOA | Funding Opportunity Announcement |
| FOB | Family- Owned Business |
| FOB | Federal Office Building |
| FOB | Foreign or Overseas Born |
| FOB | Found On Base |
| FOBE | Family Owned Business Exclusion |
| FOBE | Family Owned Business Exemption |
| FOC | Freedom Of Choice |
| FOD | Flag Of Democracy |