QF

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