| UFD | Ubiquitin Fusion Domain 
| Others |
| UFD | UGC Fox Distribution
| Others |
| UFD | Uncounted Faces of Death
| Others |
| UFD | Undefined File Description
| Others |
| UFD | Unidentified Flags and Ensigns
| Others |
| UFD | UNIFLAME DutchOven Club
| Others |
| UFD | Unilateral Facet Dislocation
| Others |
| UFD | Unique Factorization Domain
| Others |
| UFD | Unite Fitness Decathlon
| Others |
| UFD | United Federation of Danes
| Others |
| UFD | United Federation of Dirt
| Others |
| UFD | United Fiber Data
| Others |
| UFD | United Floral Distributors
| Others |
| UFD | Uniunea Fortelor De Dreapta
| Others |
| UFD | Universal Firing Device
| Others |
| UFD | Universal Foodservice Designs
| Others |
| UFD | Unlimited Furniture Delivery
| Others |
| UFD | Unreal Forum Deutschland
| Others |
| UFD | Until Flames Die
| Others |
| UFD | Uplink Failure Detection
| Others |
| UFD | Urban Farmhouse Designs
| Others |
| UFD | Urban Forestry Division
| Others |
| UFD | USB (Universal Serial Bus) Flash Drive
| Others |
| UFD | USB Flash Devices
| Others |
| UFD | Usb Flash Disk
| Others |
| UFD | Usb Flash Drive
| Others |
| UFD | Usb Floppy Disk
| Others |
| UFD | User File Directory
| Others |
| UFD | User Friendly Diagnostics
| Others |
| UFD | User Functional Description
| Others |
| UFD | Utdannings- og ForskningsDepartementet
| Others |
| UFD | Utility Flow Diagram
| Others |