| Abbreviation | Definition |
|---|---|
| GST | General Systems Theory |
| GST | Global System for Telematics |
| GSU | General Service Unit |
| GSW | General Steel Wares |
| GSW | General Studies Writing |
| GT | Graphic Technology |
| GTA | General Temporary Assistance |
| GTCE | General Teaching Council for England |
| GTE | Geometry Transformation Engine |
| GTF | Generalized Trace Facility |
| GTM | Gnome Transfer Manager |
| GTP | General Treatment Products |
| GTPL | General Third Party Liability |
| GTR | Global Text Retrieval |
| GTRS | General Travel and Representation Services |
| GTS | Giga Texel Shading |
| GTSE | General Theories of Software Engineering |
| GTSE | General Theory of Software Engineering |
| GTSH | Generalized trajectory surface hopping |
| GTSH | Generalized TTL Security Hack |