| Acronym | Definition |
|---|
| FFU➣For Future Use |
| FFU➣Final Fantasy Unlimited (Anime) |
| FFU➣Fit for Use |
| FFU➣Filter Fan Unit (cleanliness) |
| FFU➣Forschungsstelle für Umweltpolitik (Environmental Policy Research Unit, Free University of Berlin) |
| FFU➣Fast File Undelete |
| FFU➣Fan Filter Unit (cleanrooms) |
| FFU➣Feriening Frysk Underwiis (German; Frisian education association; Netherlands) |
| FFU➣Final Follow-Up (medical treatment) |
| FFU➣Filthy Fingers United |
| FFU➣Femur-Fibula-Ulna Syndrome |
| FFU➣Fred Flintstone Units |
| FFU➣Fédération Française d'Ultrasons (French: French Federation of Ultrasound) |
| FFU➣Friendly Forward Unit (US Army) |
| FFU➣Fluorescent Focus-Forming Unit |
| FFU➣Fire Field Underwriter |
| FFU➣Final Fantasy Union (gaming website) |
| FFU➣Fight for United |