XG

XG or xG may refer to:

Organizations[edit]

• XG Technology, a wireless communications company
• Clickair (former IATA code: XG), a 2006–2009 Spanish low-cost airline
• SunExpress Deutschland (former IATA code: XG), a 2011–2020 German leisure airline

Science and technology[edit]

• 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[edit]

• 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

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