| Abbreviation | Definition |
|---|---|
| GSO1 | General Staff Officer (Grade 1) |
| GSO2 | General Staff Officer (Grade 2) |
| GSO3 | General Staff Officer (Grade 3) |
| GSOF | Georgian Special Operations Forces |
| GSOI | Gabiro School Of Infantry (Rwanda) |
| GSOR | General Staff Operational Requirement |
| GSORTS | Global Status of Resources and Training System |
| GSP | Guided Systems Protocol |
| GSQM | Ground Services Quality Manual |
| GSR | General Support Reinforcing |
| GSR | General Support-Reinforcing |
| GSR | Great Soldiers Reclustered |
| GSR | Ground Surveillance Radar |
| GSR | Gun Shot Residue |
| GS-R | General Support-Reinforcing |
| GSRS | eneral Support Rocket System |
| GSRS | General Support Rocket System |
| GSS | General Security Service |
| GSS | General Supply Support |
| GSSA | General Supply Support Area |