| Abbreviation | Definition |
|---|---|
| GISM | Go Into Sleep Mode |
| GLITCH | Gremlins Lurking In The Computer Hardware |
| GLM | Gigabit Linking Module |
| GLM | Great Little Microphone |
| GMAC | Giga Multiply-Accumulate |
| GMII | Gigabit Media Independent Interface |
| GMR | Giant Magneto-Resistive |
| GNDA | Analog Ground pin |
| GNDC | Chassis Ground pin |
| GNDD | Digital Ground pin |
| GNDI | Interface Ground |
| GNDI | Internal Ground pin |
| GNDM | Mechanical Ground pin |
| GNDO | Output Ground pin |
| GNDP | PLL Ground signal line |
| GNDQ | Output Buffer Ground pin |
| GOD | Global Orbiting Device |
| GOD | Great Omniscient Device |
| GOSH | Gathering For Open Science Hardware |
| GOSH | Global Open Science Hardware |