XF may refer to: Television The X Factor, a television music talent show franchise The X Files, a sci-fi television show that ran from 1993 to 2002 Vehicles XF series, a series of experimental aircraft DAF XF, a truck made by DAF Trucks Jaguar XF, a car made by Jaguar since 2008 Other uses XF (grade), a letter grade used at some U.S. colleges, assigned to students who are caught performing acts of academic dishonesty XF lenses, for Fujifilm X-mount cameras Vladivostok Air (IATA airline code XF) Extra Fine, in numismatics, a designation of 40 or 45 points on the adapted Sheldon coin grading scale (can also be abbreviated as EF) XenForo, a commercial forum software package.