| GIST | Gastro intestinal Stromal Tumour 
| Others |
| GIST | Gastro-Intestinal Stromal Tumor
| Others |
| GIST | Gastrointestinal Stromal Tumor
| Others |
| GIST | General Internet Signaling Transport
| Others |
| GIST | Generalized Search Tree
| Others |
| GIST | Generalized Search Trees
| Others |
| GIST | Generating Interactions (between) Schemata and Text
| Others |
| GIST | Generic Information Server Toolkit
| Others |
| GIST | Genome Informatics System of Transputers
| Others |
| GIST | Genomic Island Suite of Tools
| Others |
| GIST | Geographic Information Science and Technology
| Others |
| GIST | Geographic Information Support Team
| Others |
| GIST | Geographic Information System in Transportation
| Others |
| GIST | Geographic Information System Tallaght
| Others |
| GIST | Georgia Interactive Statewide Telecommunications
| Others |
| GIST | Get It Started Today
| Others |
| GIST | Getting It System Toolkit
| Others |
| GIST | Gimbal Imaging Systems Trainer
| Others |
| GIST | Girls In STEM at Tulane
| Others |
| GIST | Global Innovation Solutions Team
| Others |
| GIST | Government Interrogating Spending Tool
| Others |
| GIST | Graphic Intelligence Support Terminal
| Others |
| GIST | Grassroots Innovation Social and Technology
| Others |
| GIST | Great Ideas in Science and Technology
| Others |
| GIST | Gwangju Institute of Science and Technology
| Others |