English abbreviations from ffax to fff
- FFAX (Fleet FAX Broadcast)
- FFAY (Foundation For African Youths)
- FFB (Frum From Birth (referring to an observant Jew born into a religiously observant family))
- FFBH (Father Flanagan's Boys' Home)
- FFC (Free For Chat)
- FFCC (Florida Film Critics Circle)
- FFCI (Fossey Fund Congo Initiative)
- FFCLA (Family, Career and Community Leaders of America)
- FFCP (Freedom Force Conversion Project)
- FFD (RAF Fairford)
- FFE (Fire for Effect)
- FFEP (Family to Family Education Program)
- FFF (Fédération française de football (French, "French Football Federation"))