QF may stand for:

  • Qantas, the oldest and largest airline of Australia
  • Qatar Foundation, a private, chartered, non-profit organization in the state of Qatar
  • Quick-firing gun, a sort of artillery piece
  • a British ordnance term referring to a gun breech that uses metallic cartridges
  • Quality factor, the measure of the "quality" of a resonant system
    • Quality factor (video compression)
  • Qualifying facility, a class of electric generating facilities defined in the United States Public Utility Regulatory Policies Act that receive special rate treatment
  • Quiverfull, a movement of Christians who eschew all forms of birth control