| USF | U Stay Forever 
| Others |
| USF | Ualyrian Soul Fire
| Others |
| USF | Ultra Sound Format
| Others |
| USF | Und So Fort
| Others |
| USF | Unit Scholarship Fund
| Others |
| USF | United Sardine Factories
| Others |
| USF | United Sardine Factory
| Others |
| USF | United Special Forces
| Others |
| USF | United States Federal
| Others |
| USF | United States Frigate
| Others |
| USF | Universal Service Fee
| Others |
| USF | Universal Service Fund
| Others |
| USF | Universal Space Federation
| Others |
| USF | Universal Subtitle Format
| Others |
| USF | University of Saint Francis
| Others |
| USF | University of San Francisco
| Others |
| USF | University of Sioux Falls
| Others |
| USF | University of South Florida
| Others |
| USF | University of South Florida's
| Others |
| USF | University of Southern Florida
| Others |
| USF | University of St Francis
| Others |
| USF | Unterhaltungs Software Forum
| Others |
| USF | Unwavering Stance of Foolishness
| Others |
| USF | Uplink State Flag
| Others |
| USF | Uplink Status Flag
| Others |
| USF | Upper Secondary Frequency
| Others |
| USF | Upstream Stimulatory Factor
| Others |
| USF | Urban Special Forces
| Others |
| USF | Usable Square Feet
| Others |
| USF | Usable Square Footage
| Others |
| USF | User Setup File
| Others |
| USF | User Specified Folder
| Others |
| USF | USF Stands For
| Others |
| USF | Utah Scion Forum
| Others |