G6, G.VI, G.6 or G-6 may refer to:
International politics
- 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
- G6 Beijing–Lhasa Expressway, a highway in China
Land
- Ford G6 an automobile manufactured by the Ford Motor Company of Australia
- Mazda G6 engine, a piston engine made by Mazda
- Pontiac G6, a mid-size car that was produced under the Pontiac brand of American automaker General Motors
- Vossloh G6, shunting locomotive
- XPeng G6, a battery electric mid-size crossover SUV manufactured by XPeng
- LNER Class G6, a class of British steam locomotives
Air
- Fly Arna (IATA code: G6), an Armenian low-cost airline
<!--* Canon Power Shot G6, a digital camera manufactured by Canon-->
- Caudron G.6, a 1916 French reconnaissance aircraft
<!--* Friedrich G.VI, a Friedrich aircraft-->
<!--* Goths G.VI, a Goths aircraft-->
<!--* HMS Partaken (G06), a former Royal Navy warship-->
- Messerschmitt Bf 109 G-6, a variant of a World War 2 German fighter aircraft
- Gulfstream G650, a business jet aircraft
Electrics, electronics, computing
- LG G6, a smartphone manufactured by LG
- Moto G6, a smartphone by Motorola Mobility
- Samsung Galaxy S6, a smartphone by Samsung Mobile
Other
- G6 howitzer, a South African self-propelled howitzer
- G6, the third note in the whistle register
- G6 star, a subclass of G-class stars
- Group 6 element of the periodic table
<!--* The DATA designator for Guinea Bissau Airlines (now defunct)-->
<!--* G6 Flash, an inofficial brand of flash memory card for the Nintendo DD-->
- G6, a square on a chessboard or a move of a pawn to that square in algebraic chess notation
- "Like a G6", a song by Far East Movement
- G6 Hospitality
- Group of Six conferences, a grouping of NCAA Division I football conferences
See also
- 6G (disambiguation)