| U/F | Un-Furnished 
| Others |
| U/F | Unit of Fire
| Others |
| UF | UF definition
| Others |
| UF | Uh Forget it
| Others |
| UF | Ultimate Force
| Others |
| UF | Ultra Fast
| Others |
| UF | Ultra Flex
| Others |
| UF | Ultra Fly
| Others |
| UF | Ultra Fresh
| Others |
| UF | UltraFiltration
| Others |
| UF | Ultrahigh Frequency (indication on TV set)
| Others |
| UF | Uncertainty Factor
| Others |
| UF | Under Folder
| Others |
| UF | Undergroun Fighters
| Others |
| UF | Underground Feeder
| Others |
| UF | Undocumented Features
| Others |
| UF | Undulation Factor
| Others |
| UF | UnFurnished
| Others |
| UF | Unico Fuerte
| Others |
| UF | Unidad De Fomento
| Others |
| UF | Unique Fun
| Others |
| UF | United Forefront
| Others |
| UF | United Free
| Others |
| UF | United Front Education
| Others |
| UF | University Fund
| Others |
| UF | University of Fairy tales
| Others |
| UF | University of Famous orange marmalade chefs
| Others |
| UF | University of Fantastic cupcakes
| Others |
| UF | University of Fargo north dakota
| Others |
| UF | University of Fernadina beach
| Others |
| UF | University of filtered
| Others |
| UF | University of Findlay
| Others |
| UF | University of Fleamarkets
| Others |
| UF | University of Floor Sweepers
| Others |
| UF | University of Floral designers
| Others |
| UF | University of Florida
| Others |
| UF | University of Florida gator-haters
| Others |
| UF | University of Florida's gator farmers
| Others |
| UF | University Of Floriduh
| Others |
| UF | University of Fluoride toothpaste
| Others |
| UF | University of Food for bulldogs
| Others |
| UF | University of Foodstamp skills
| Others |
| UF | University of Foodstamps
| Others |
| UF | University of Foosball
| Others |
| UF | University of Football losers
| Others |
| UF | University of Ford mechanics
| Others |
| UF | University of Fruit tree trimmers
| Others |
| UF | University of Future street cleaners
| Others |
| UF | Unrepaired Ford
| Others |
| UF | unrollfactor Fig
| Others |
| UF | Unrolling Factor
| Others |
| UF | Unsheathed Flange
| Others |
| UF | Unstoppable Force
| Others |
| UF | Unsupervised Functional
| Others |
| UF | Upper Feasibility
| Others |
| UF | Upper Freehold
| Others |
| UF | Urban Fantasy
| Others |
| UF | Urea Formaldehyde resin
| Others |
| UF | Usable Feeder
| Others |
| UF | Use For
| Others |
| UF | Used For
| Others |
| UF | Used For For
| Others |
| UF | User Framework
| Others |
| UF | User Friendly
| Others |
| UF | Uses File
| Others |
| UF | Usual Fantasies
| Others |
| UF | Uterus Firm
| Others |
| UF | Utrean Forces
| Others |
| UF | Utter Failure
| Others |