GPB

GPB may refer to:

• Georgia Public Broadcasting, the public broadcast network in the state of Georgia
• Georgian Public Broadcaster, the national public broadcaster of the nation of Georgia
• Global power barometer, a system which tracks global trends
• Gravity Probe B (or GP-B), a satellite mission to study the relativistic effects of Earth's gravity
• Google Protocol Buffers, protocol buffers are a method of serializing structured data
• Grant Pearson Brown, a London-based consulting firm