| Abbreviation | Definition |
|---|---|
| GNFR | Goods Not For Resale |
| GNT | Geographical and Nautical Timepieces |
| GO | Getting Organized |
| GOGO | Give One Get One |
| GOH | Garments On Hangers |
| GOO | Generic Object Orienter |
| GOSP | Gas/Oil Separation Plant |
| GOSS | Grain Oriented Silicon Steel |
| GP | Grey Pewter |
| GPC | Gutter Punk Cigarette |
| GPD | Global Project Development |
| GPP | Global Planetary Product |
| GPSD | General Product Safety Directive |
| GPTF | Game Products Trust Fund |
| GQ | Gundam Quality |
| GR | Government Rubber |
| GR | Green Rug |
| GRAM | Generally Recognized As Mature |
| GRASP | Goal Role Audience Situation and Products |
| GRD | Grease Recovery Device |