GWT may refer to: Gawar-Bati language Given-When-Then Global workspace theory in cognitive science God's Word Translation, an English Bible translation Google Web Toolkit, or GWT Web Toolkit Great Western Trail, in North America Great Western Trains, now Great Western Railway Gross Weight Tonnage, a nautical measurement G-TELP Writing Test, English language test Guided wave testing The Gurkha Welfare Trust, a British charity Gwent Wildlife Trust, in Wales Sylt Airport, in Germany, by its IATA Code