QF may stand for:

• Qantas, an airline of Australia (IATA code QF)
• Qatar Foundation, a private, chartered, non-profit organization in the state of Qatar
• Q-Fire, a decoy fire site used in World War II
• Quality factor, in physics and engineering, a measure of the "quality" of a resonant system
• Quick-firing gun, a sort of artillery piece
• Quiverfull, a movement of Christians who eschew all forms of birth control
• A gun breech that uses metallic cartridges (see British ordnance terms#QF)
• Quds Force an expeditionary warfare unit of IRGC