G series may refer to:

Science and technology G Series, ITU-T telecommunications systems recommendations for transmission systems and media, digital systems and networks LG G series, a line of Android devices produced by LG Electronics Sony Vaio G series, laptop computers Sony Ericsson G series, a series of cell phones Lumix G-series, cameras by Panasonic; see Panasonic Lumix DMC-GF5 G-series, a class of nerve agent

Transportation G series (Toronto subway), a line of subway cars Chevrolet G-series vans G-series trains, the designation for the fastest long-distance trains in China Infiniti G-series (Q40/Q60), a line of luxury sports cars Nissan G engine, a series of engines produced in the 1960s Series G, a series of Porsche 911

Other uses G-Series (record label), a music label QI (G series), the seventh series of the TV quiz show QI G series, a variety of Gatorade

See also G (disambiguation)