XG
# XG

XG or xG may refer to:

## Organizations

* XG Technology, a wireless communications company
* SunExpress Deutschland (IATA code XG, 2011-2020), a German leisure airline headquartered in Frankfurt, Germany
* Clickair (IATA code XG, 2006-2009), a former low-cost airline based in Spain

## Science and technology

* Xg antigen system, a red blood cell surface antigen system
* DARPA XG, a DARPA communication program
* Hyundai XG, a Hyundai car model
* Yamaha XG, a Yamaha extension to the General MIDI standard

## Other uses

* XG (group), a Japanese girl group
* Extreme-G, a video game
* Expected goals (xG), a performance metric used to evaluate football team and player performance
