| Abbreviation | Definition |
|---|---|
| FAPA | Florida Association of Police Attorneys |
| FAPD | Fort Atkinson Police Department |
| FAPSc | Fellow of the Academy of Police Science |
| FARO | Forensic Accident Reconstructionists of Oregon |
| FAU | Forensic Assessment Unit |
| FBC | Fire Burn Clan |
| FBI | Federal Bureau of Investigation: |
| FBI | Feeling Brutally Inclined |
| FBI | Find Boys Immediatley |
| FBOA | Football Banning Order Authority |
| FBTE | Forensic Building Technical Expertise |
| FBU | Fire Brigades Union |
| FC | Female Child |
| FCBS | Forensic Community Based Services |
| FCC | Force Command and Control |
| FCD | Field Control Division |
| FCID | Financial Crime Investigation Division |
| FCIN | Forensic Collision Investigation Network |
| FCNA | Forensic Consultants of North America |
| FCO | Foreign and Commonwealth Office |