QX

QX may refer to:

Arts and media

 * QX (magazine), Scandinavia
 * QX (British magazine), England
 * CFQX-FM, a Canadian country music radio station

Business

 * QX Metals
 * Quality of Experience
 * Horizon Air (IATA airline designator: QX)

Computing

 * Epson QX-10 and QX-16, microcomputers
 * QX/V32c, QX/4232 and QX/4232bis, a series of modems made by Microcom
 * Alternative name for the IBM Quantum Experience

Science

 * q$x$, the probability of death of a person aged x years, before reaching the age x + 1; see life expectancy
 * QX, a disease of oysters caused by the Marteilia parasite
 * Duponol QX, otherwise known as Sodium dodecyl sulfate

Vehicles

 * Q-type Queens car (New York City Subway car)
 * Infiniti QX, a luxury sports utility vehicle
 * Nissan Maxima (UK: QX), a large car built in the 1990s

Other uses

 * QX, part of the Q3A Panel house series of prefabricated buildings
 * QX1, QX2, etc., a series of music sequencers made by Yamaha
 * ⟨qx’⟩, a trigraph representing /qχʼ/ in the Taa language