QF explained

QF may stand for:

Businesses and organisations

• 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