| Acronym | Definition |
|---|
| UFF | Universidade Federal Fluminense (Rio de Janeiro, Brazil) |
| UFF | Union Financière de France (French: Financial Union of France) |
| UFF | Universal Font Format |
| UFF | Ulster Freedom Fighters |
| UFF | University of Florida Foundation (Gainesville, FL) |
| UFF | Underground Film Festival (various locations) |
| UFF | United Faculty of Florida |
| UFF | Ultimate Fantastic Four (comic) |
| UFF | United First Financial |
| UFF | Universal File Format |
| UFF | Universal Force Field |
| UFF | Uzbekistan Football Federation (Uzbekistan) |
| UFF | United for Families (Port Saint Lucie, FL) |
| UFF | United Freedom Fighters (gaming clan) |
| UFF | Union des Fanfares de France (French: Union of Bands of France) |
| UFF | Ultrafiltration Failure (dialysis) |
| UFF | Ultimate Fighting Federation (Salina, KS) |
| UFF | Urea-Formaldehyde Foam (insulation material) |
| UFF | Unitarian Fellowship of Fredericton (Canada) |
| UFF | Universal Flour Fortification |
| UFF | Unified Fill Facility |
| UFF | Unlimited Fighting Fitness (martial arts) |
| UFF | Ultra Fast Finalisation (Philips) |
| UFF | Unbalanced Force Factor (exercise program) |
| UFF | University for Futures (finance) |