GB

• United Kingdom (ISO 3166-1 code), a sovereign country situated off the north-western coast of continental Europe
• Great Britain, an island situated off the north-western coast of continental Europe
• Kingdom of Great Britain (1707–1800), a predecessor country of the United Kingdom
• Gilgit-Baltistan, a region in northern Pakistan
• Guinea-Bissau, a sovereign state in West Africa
• Green Bay, Wisconsin, United States
• Great Barrington, Massachusetts, United States

• GB Airways, a British airline
• Gardner Bender, a manufacturer of professional electrician's tools and supplies
• Girls' Brigade, a Christian organization for girls
• Grande Bibliothèque, a large public library in Montreal
• University of Wisconsin–Green Bay, an American university
• ABX Air (IATA airline designator GB), a cargo airline
• GB Glace, a Swedish ice cream company
• Griesedieck Brothers beer, an American beer brand
• GB Supermarkets, a Belgian chain that was eventually taken over by Carrefour
• GB News, a British television news channel

• Gigabit (Gb), a unit of information used, for example, to quantify computer memory or storage capacity
• Gigabyte (GB), a unit of information used, for example, to quantify computer memory or storage capacity
• Gain–bandwidth product, product of amplifier midband gain and bandwidth
• Game Boy, a handheld video game console
• Guobiao standards, Chinese National Standards
• GB 2312, an encoding scheme for rendering Simplified Chinese characters; also has partial support for Traditional, and some other languages, though in practice web browser support it as (i.e. with full support):
• GB 18030, an encoding scheme for rendering Simplified Chinese characters, but with full support for Traditional, and all languages Unicode supports, since it's a full Unicode Transformation Format

• Beechcraft GB Traveler, U.S. Navy aircraft
• Steyr GB, an Austrian semi-automatic handgun
• Sarin (NATO designation GB), a nerve gas
• GB-1, a World War II American glide bomb
• GB PGB, a series of Chinese precision guided bombs

• Ganglion blocker, a medication
• Gigabase (Gb), a unit of length for DNA
• Gilbert (unit) (Gb), a unit of magnetization named for English physicist William Gilbert
• Government and binding theory, in linguistics, by Noam Chomsky
• Guillain–Barré syndrome, an acute inflammatory polyneuropathy

• Great Britain at the Olympics, the Olympic team of the United Kingdom
• Green Bay Packers, an American football team
• Games behind, a number reflecting the gap between two sports teams

• GB (footballer), (full name Gabriel Souza da Silva), Brazilian association footballer
• Guy Bomford, who also published as G.B.

• Gb (digraph), a digraph in the Latin alphabet
• Voiced labial–velar plosive, a consonant sound transcribed as {{IPA|/ɡ͡b/}}
• G♭ (musical note), a semitone
• G-flat major, a key
• Group buy, buying something as a collective
• Gazerbeam, a fictional deceased superhero in the animated film The Incredibles
• Goin' Bulilit, Philippine television show
• GB, Super Mario Land 2: 6 Golden Coins, a fictional Entity From The Void from the creepypasta Black And White series.

• BG (disambiguation)
• Gigabyte (disambiguation)
• GBS (disambiguation)

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