QX may refer to:
The graphics display resolution is the width and height dimensions of an electronic visual display device, such as a computer monitor, in pixels.
Intel Core is a line of mid-to-high end consumer, workstation, and enthusiast central processing units (CPU) marketed by Intel Corporation.
QxOrm is an Object Rational Mapping persistence framework for C++ with Qt. It supports cross compilation and is available for the platforms Windows 64/32 bit, Linux 64/32 bit and Mac OS.
QX (or Qruiser) started in 1995 with the aim to create communication platforms for the LGBT-community in Sweden and Scandinavia.
The QX-04 is a semi-automatic pistol in limited use with the People's Liberation Army (PLA) and various Chinese police departments.
A number of trigraphs are found in the Latin script, most of these used especially in Irish orthography.
Horizon Air Industries, Inc., operating as Horizon Air, is a regional airline based in SeaTac, Washington, United States.