GTBA

AcronymDefinition
GTBAGood to Be Alive
GTBAGas Turbine Builders Association (est. 1995; UK)
GTBAGolden Triangle Baptist Association (Beaumont, TX)
GTBAGraph Theory of Brian Alspach (mathematics; Canada)
GTBAGasoline-grade Tertiary Butyl Alcohol
GTBAGlasgow Thai Boxing Academy (est. 2002; UK)