| Abbreviation | Definition |
|---|---|
| GIWG | Governance and Integrity Working Group |
| GLWG | Glacial Landsystems Working Group |
| GSWG | Genomics and Society Working Group |
| GSWG | Global Security Working Group |
| GSWG | Glyphosate Sustainability Working Group |
| GSWG | Graduate Student Working Group |
| GSWG | Guidance and SOP Working Group |
| GWG | Global Working Group |
| HAWG | Haiti Advocacy Working Group |
| HITWG | Health Information Technology Working Group |
| HIWG | Hardware Industry Working Group |
| HIWG | History of Imperium working group |
| HIWG | History of the Imperium Working Group |
| HIWG | Holocene Impact Working Group |
| HPWG | Health Policy Working Group |
| HPWG | Heritage Protection Working Group |
| HPWG | Homicide Prevention Working Group |
| HPWG | Human Performance Work Group |
| HPWG | Hydrography Priorities Working Group |
| HPWG | Hydrology Permafrost Working Group |