| GD&T | Geometric Dimensioning & Tolerancing 
| Others |
| GD&T | Geometric Dimensioning and Tolerancing
| Others |
| GDT | Game Development Team
| Others |
| GDT | Gary And Donna Tillotson
| Others |
| GDT | Gary Drake Tennis
| Others |
| GDT | Gas Discharge Tube
| Others |
| GDT | Gene Dickinson Team
| Others |
| GDT | General Department of Taxation
| Others |
| GDT | General Dimensionsing Tolerances
| Others |
| GDT | General Directorate of Traffic
| Others |
| GDT | Gentleman Driver Trophy
| Others |
| GDT | Geographic Data Technology
| Others |
| GDT | Geometric Dimensioning and
| Others |
| GDT | Geometric Dimensioning Tolerancing
| Others |
| GDT | Gesellschaft Deutscher Tierfotografen
| Others |
| GDT | Ghanem Development and Trading
| Others |
| GDT | Ghanem Development Trading
| Others |
| GDT | Glasgow Daily Times
| Others |
| GDT | Glass Direct Texture
| Others |
| GDT | Global Dairy Trade
| Others |
| GDT | Global Descriptor Table
| Others |
| GDT | Global Descriptors Table
| Others |
| GDT | Global Distance Test
| Others |
| GDT | Google Dengue Trends
| Others |
| GDT | Gracies Dinnertime Theater
| Others |
| GDT | Grafter Duo Tone
| Others |
| GDT | Grand Dictionnaire Terminologique
| Others |
| GDT | Grand Turk, Turks & Caicos Islands
| Others |
| GDT | Graphic Display Terminal
| Others |
| GDT | Grateful Dead Talk
| Others |
| GDT | Green Distillation Technologies
| Others |
| GDT | Grid Data Transport
| Others |
| GDT | Ground Data Terminal
| Others |
| GDT | Ground Defense Training
| Others |
| GDT | Guideline Development Tool
| Others |
| GDT | Guitar Drum Trainer
| Others |