GWT

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