UFL or UFl may refer to:
Chemistry:
- Upper flammable limit, the flammability limit describing the richest flammable mixture of a combustible gas
Colleges and universities:
- University of Florida, a public land-grant, space-grant, research university located in Gainesville, Florida
Electronics:
- U.FL, a miniature coaxial RF connector for high-frequency signals manufactured by Hirose Electric Group
Reporting software:
- User Function Library (UFL), extend the functionality of Crystal Reports. As of Crystal Reports 6, a UFL can be created in any programming language that can create a COM (Component Object Model) application.
Sports:
- United Arab Emirates Football League, is the Emirati professional football league
- United Football League (1961), an American football league which operated from 1961 to 1964
- United Football League (2009), an American football league that debuted in October 2009.
- United Football League (Philippines), an association football league in the Philippines
- Uruguay Football League, a flag football league in Uruguay
Flowers:
- Online flower delivery, located in Ukraine, making delivery over former CIS countries. Network includes 1000 florists in various USSR cities. UFL (UFL.UA) was founded in 2003.