| Abbreviation | Definition |
|---|---|
| FARC | Fuerzas Armas Revolutionarios de Colombia |
| FARDC | Forces Armées de la République Démocratique du Congo |
| FARS | Fighter Against Racial Segregation |
| FAST | Furries Against Strange Treatment |
| FBL(MG) | Forward Bloc (Marxist Group) |
| FBL(RG) | Forward Bloc (Ruikar Group) |
| FC | Final Candidate |
| FCAM | Federation of Chinese Association of Manchester |
| FCAN | Filipino Canadian Association of Niagara |
| FCAO | Franciscan Conferences of Asia Oceania |
| FCDP | Fayette County Democratic Party |
| FCDP | Forsyth County Democratic Party |
| FCDP | Franklin County Democratic Party |
| FCEA | Federacion |
| FCPA | Foreign Corrupt Practices Act |
| FCRC | Fairfax County Republican Committee |
| FCST | Florida Center for Survivors of Torture |
| FDA | Foot Dragging And Alibis |
| FDA | Future Dictators of America |
| FDC | Forum for Democratic Change |