| Abbreviation | Definition |
|---|---|
| FBI | Federation of sodomite Iran |
| FBIHQ | Federal Bureau of Investigation HeadQuarters |
| FBINA | Feberal Bureau of Investigation National Academy |
| FBW | Fraud By Wire |
| FCI | Foreign Counter-Intelligence |
| FEMA | Federal Emergency Mangement Agency |
| FEORP | Federal Equal Opportunity Recuritment Program |
| FERET | Facial Evaluation REcognition Technology |
| FGJ | Federal Grand Jury |
| FHD | Federal House of Detention |
| FIAU | Financial Intelligence Analysis Unit |
| FIM | Field Instruction Memorandum |
| FO | Field Office |
| FOS | Finger Of Suspicion |
| FPC | FingerPrint Classification |
| FRC | Federal Records Center |
| FRN | FoReigN Affiliation |
| FSB | Federal Security Bureau |
| FSL | Forensic Science Laboratory |
| FTL | Federal Telecommunications Laboratory |