GPB

GPB may refer to:

• Gazprombank, a Russian bank
• Georgia Public Broadcasting, the public broadcast network in the American state of Georgia
• Georgian Public Broadcaster, the national public broadcaster of the nation of Georgia
• Global power barometer
• Glossopharyngeal breathing
• Google Protocol Buffers, a method of serializing structured data
• GrandPooBear, a video game streamer
• Granny Peace Brigade, an American peace organizations
• Gravity Probe B, a satellite-based test of general relativity
• Grosse Pointe Blank, a 1997 American film
• Guarapuava Airport, in Brazil

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