| Acronym | Definition |
|---|
| UF | User Friendly (comic strip) |
| UF | University of Florida |
| UF | University of Findlay |
| UF | Used for |
| UF | Unidade da Federação (Portuguese: Federation Unit; Brazil) |
| UF | Urban Fantasy (fiction) |
| UF | Ultrafiltration |
| UF | Underground Feeder (electrical cable) |
| UF | Unidad de Fomento (Chile) |
| UF | Ultra Force (clothing) |
| UF | Urea/Formaldehyde |
| UF | United Front (Northern Alliance's official name; Afghanistan) |
| UF | Microfarad |
| UF | Uncertainty Factor |
| UF | Ultimate Frisbee (game; like a cross between football and basketball played with a Frisbee) |
| UF | Unframed (Hekimian) |
| UF | United Future (New Zealand) |
| UF | University of Freiburg |
| UF | Utilization Factor |
| UF | Unité Fonctionnelle (French: Functional Unit) |
| UF | You Fool |
| UF | Università di Firenze (Italian) |
| UF | Uniform Frame |
| UF | Utility/Utilization Flight |
| UF | Unit of Fire |