GTB
GTB is short for:
- Genting (Malaysia) - IATA code for the airport
- German Testing Board, association of experts for testing of software and systems
- Union Textile Clothing
- Godesberger paperbacks
- GTB Seven Star, Gütersloh, ( Gütersloh paperbacks )
- Gran Turismo Berlinetta Ferrari models
- Grand Theft Bus, Canadian indie rock band
- Commercial- technical area, school subject to the Bavarian secondary schools
- Gürbetalbahn: Access by train Bern Belp -Thun in Switzerland
- Groupe de Travail " Bruxelles 1952", International expert group in the field of automotive lighting
- Google Toolbar: A toolbar provided by Google is available for web browsers
- Gelenktrolleybus
- Disambiguation
- Abbreviation