Look up urf in Wiktionary, the free dictionary.
URF may refer to:
- Ultra Rapid Fire, a special game mode in League of Legends
- Unidentified reading frame, an open reading frame in DNA sequences
- Union of Right Forces, Russian liberal democratic political party (1999-2008)
- University Radio Falmer, student radio station for the University of Sussex
- University Research Fellowship of the Royal Society
- Urf, Arabic Islamic term referring to the custom, or 'knowledge', of a given society
- URF (Swedish Navy) or Ubåtsräddningsfarkosten, a Swedish submarine rescue vessel