| Abbreviation | Definition |
|---|---|
| GV | Government Valuation |
| GVE | Good Versus Evil |
| GWAC | Government-Wide Acquisition Contract |
| GWB | George Walker Bush |
| GWC | General Waterway Construction |
| GWCA | George Washington CArver National Monument |
| GWTG | Get With The Guidelines |
| GWY | George W. Young Mail Facility, Detroit, Michigan |
| GYM | Gymnasium |
| GySgt | Gunnery Sergeant - Marines |
| H1B | a non-immigrant visa in the United States |
| HA | Higher Authority |
| HA | Humanitarian Aid |
| HACCP | Hazardous Actions Critical Concepts Plan |
| HACCP | Pathogen Reduction and Hazard Analysis and Critical Control Points |
| HALO | Hospital Affiliated Lobbyist Organization |
| HAN | Health Alert Network |
| HAQ | Health Assessment Questionnaire |
| HARP | Hotspots Analysis and Reporting Program |
| HASP | Health and Safety Program |