GB may stand for: In geography · Gabon (FIPS 10-4 and NATO (obsolete) country code: GB), a country in Central Africa · Gambia (ICAO airport designator prefix and WMO country code: GB), a country in West Africa · Great Britain, an island in Europe · Note that the ISO 3166 country code GB stands for the United Kingdom of Great Britain and Northern Ireland and not the island of Great Britain. · Guinea Bissau (casual abbreviation G.B.), a country in West Africa In politics · Gordon Brown, the British Prime Minister · George W. Bush, the US President In language · Gb , a digraph in the Latin alphabet · Government and binding, theory by Noam Chomsky In science · Sarin, nerve gas (NATO designation: GB) In electronics