QF

QF may stand for:

Businesses and organisations

 * Qantas, an Australian airline (IATA: )
 * 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
 * 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

QF