G11 may refer to:
Vehicles BMW 7 Series (G11), a German automobile Gribovsky G-11, a Soviet military glider of World War II , a Royal Navy G-class submarine , a Royal Australian Navy Q-class destroyer Nissan Sylphy G11, a Japanese automobile
Other uses Canon PowerShot G11, a digital camera G11 Hegang–Dalian Expressway, in China Group of Eleven, a intergovernmental forum Heckler & Koch G11, an experimental assault rifle Hereditary ataxia Hexachlorophene, an organic chemical Logitech G11, a computer keyboard