G6, G.VI, G.6 or G-6 may refer to:

International politics

edit
  • G6 (EU), the six largest European Union members
  • Group of Six, a 1975 international summit which led to the G7 and G8
  • 44th G7 summit, referred to as the "G6+1" or just "G6" due to a significant internal conflict with the United States

Transportation

edit

Land

edit

Electrics, electronics, computing

edit

Other

edit

See also

edit