| Acronym | Definition |
|---|
| GCT➣Groupe Chimique Tunisien (French: Tunisian Chemical Group) |
| GCT➣Grand Chess Tour (competition) |
| GCT➣General Consumption Tax (value added tax) |
| GCT➣Grand Central Terminal (New York, NY) |
| GCT➣Grand Circle Travel (Boston, MA) |
| GCT➣Global Circuit Technology |
| GCT➣Gridport Client Tools |
| GCT➣Global Clinical Trials (various locations) |
| GCT➣Granite City Tool (Waite Park, MN) |
| GCT➣Giant Cell Tumor |
| GCT➣Glucose Challenge Test |
| GCT➣Granulosa Cell Tumor |
| GCT➣Government College of Technology |
| GCT➣Greenwich Civil Time |
| GCT➣Goal-Centric Traceability |
| GCT➣Gifted Child Today |
| GCT➣Gensan College of Technology (General Santos City, Philippines) |
| GCT➣Gold Coast Triathlete (Australia) |
| GCT➣General Classification Test |
| GCT➣Gosselin Container Terminal (Belgium) |
| GCT➣Gas Company Tower (Los Angeles, CA) |
| GCT➣Granted Certificate to (Quaker religion) |
| GCT➣Greenham Common Trust (UK) |
| GCT➣Geometric Complexity Theory |
| GCT➣Gulf Coast Triathlon (Panama City, FL) |
| GCT➣Global Communication Technology |
| GCT➣Great Canary Telescope |
| GCT➣Gifted Creative and Talented (educational program) |
| GCT➣Gestion des Comptes de Télérèglement (French electronic bill paying) |
| GCT➣General Competency Test |
| GCT➣Government Competitive Test |
| GCT➣Gate Controlled Thyristor |
| GCT➣Generalized Context Tree |
| GCT➣Guaranteed Completion Time |
| GCT➣Grand Cadence de Tir (French: great rate of fire; artillery weapon) |
| GCT➣Ground Cavalry Troop |
| GCT➣Governor's Conference on Tourism |
| GCT➣Generator Coolant Temperature |
| GCT➣GUI Cut-Through |