| Acronym | Definition |
|---|
| GATC | Guanine, Adenine, Thymine, Cytosine (nucleotides that make up DNA) |
| GATC | Georgia Appalachian Trail Club |
| GATC | Google Analytics Tracking Code (Google) |
| GATC | Genesis at the Crossroads |
| GATC | Genotype-specific Approaches to Therapy in Childhood |
| GATC | Genetic Analysis Technology Consortium |
| GATC | Gruppo Archeologico del Territorio Cerite |
| GATC | Getting Ahead of the Curve (publication; UK) |
| GATC | Girls and the City |
| GATC | Governors and Administrators Training Conference (Circle K International) |
| GATC | Gabinetes de Asistencia Técnica al Comercio (Spanish: Recruitment of Technical Assistance to Trade) |
| GATC | Greater Austin Transportation Company |
| GATC | Georgia Aviation Technical College |
| GATC | Grupo de Astrofísica e Cosmologia |
| GATC | Genome Analysis and Technology Core |
| GATC | German American Trade Council, Inc. |
| GATC | General Agreement on Terms and Conditions |
| GATC | Great Adirondack Tool Co. |
| GATC | Grupo de Arquitectura y Tecnología de Computadores |
| GATC | Gorsich Advanced Technology Center |
| GATC | Great Aycliffe Town Council (UK) |
| GATC | Geriatric Assessment and Treatment Centre (New Westminster, BC, Canada) |