QF

• Qantas, an Australian airline (IATA:QF) • Qatar Foundation, a non-profit • Quiverfull, a Christian movement == Military ==

• Quds Force, an Iranian expeditionary unit • Quick-firing gun, an artillery piece • A gun breech that uses metallic cartridges; see British ordnance terms#QF • Q-Fire, a decoy fire site used in World War II == Other uses==

• Quality factor, in physics and engineering, a measure of the "quality" of a resonant system