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 fr:QF