Main Page | See live article | Alphabetical index GB or gb may stand for: Game Boy GB (supermarket) in Belgium Gigabit (Gb) Gigabyte (GB) Government and Binding theory by Noam Chomsky Great Britain United Kingdom (ISO 3166-1 code) Guobiao, a Simplified Chinese computer input method The nerve agent sarin This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.