| Acronym | Definition |
|---|
| URF | Union of Right Forces (Russian political party) |
| URF | uniform reporting format |
| URF | Ultra Rapid Fire (gaming) |
| URF | Unregistration Confirm |
| URF | Unique Registration Facility (FP7; European Union) |
| URF | Unit Risk Factor |
| URF | Undergraduate Research Fellowship (various universities) |
| URF | Union Routière de France (French: French Road Federation; est. 1935) |
| URF | University Research Foundation (Greenbelt, MD) |
| URF | Unidentified Reading Frame |
| URF | University Research Fellowship |
| URF | underground research facility |
| URF | Uniform Regulatory Framework (California) |
| URF | unassigned reading frame |
| URF | User Request Form |
| URF | University Radio Falmer (UK radio station) |
| URF | Unidentified Remittance File |
| URF | Unit Rent Factor |
| URF | Umbilicals, Risers and Flowlines |
| URF | Universal Referral Form |
| URF | United Revolutionary Front (Sierra Leone) |
| URF | Under-Relaxation Factor |
| URF | Urban Royal Flats (skateboard manufacturer) |
| URF | Uterine Relaxing Factor |
| URF | Unit Response Function |
| URF | Underwater Rescue Vehicle (Swedish Navy) |
| URF | ULD Release Form |
| URF | Unit Requirement Form |
| URF | Unit Recurring Fly-away cost |
| URF | Unit Request Form (US DoD) |
| URF | Urgent Request for Forces |
| URF | unsuspected radiologic finding |
| URF | United Rebel Force (gaming clan) |
| URF | unpairable real fermion |