The meaning of the Acronym USF is...

USF is

• Universal Space Federation

More Meanings For USF:

• User Setup File
• Universal Service Fund
• Universal Service Fund
• Universal Service Fee
• Uplink State Flag
• Usable Square Feet
• Upstream Stimulatory Factor
• University of Southern Florida
• University of Southern Florida
• University of San Francisco
• Unusual Sexual Favor
• Universal Space Federation
• Usable Square Footage
• United Sardine Factories
• United Sardine Factory

USF is also in:

• Adults
• Architecture
• Firms
• General
• Ocean Science
• Science Fiction
• Security
• Telecom
• Unit Measures
• Universities