XF may refer to:
- XF (grade), a letter grade used at some U.S. colleges, assigned to students who are caught performing acts of academic dishonesty
- Jaguar XF, a car made by Jaguar since 2008
- DAF XF, a truck made by DAF Trucks
- Vladivostok Air IATA airline code
- XF series, a seres of experimental aircraft
- The X Factor (TV series), a television music talent show franchise
- The X-Files (TV series), a Sci-Fi television show that ran from 1993 to 2002