| Abbreviation | Definition |
|---|---|
| GTR | General Technical Report |
| GTRB | Global Technology Review Board |
| GTRS | General Travel and Representation Services |
| GTS | Global Technology Services |
| GTS | Guaranteed To Start |
| GTSE | General Theories of Software Engineering |
| GTSE | General Theory of Software Engineering |
| GTSH | Generalized trajectory surface hopping |
| GTSH | Generalized TTL Security Hack |
| GUA | General Underwriters Agreement |
| GUAR | Guarantee |
| GUCC | General Union of Cultural Centres |
| GUM | Getting Using Managing |
| GUN | Grantor Underwriting Notes |
| GUPS | General Union of Palestine Students |
| GURU | General Understanding Relatively Useless |
| GUTD | General Union der Tunesier in Deutschland |
| GV | Gravatar Version |
| GV | Great Value |
| GVA | Gross Value Added |