| Abbreviation | Definition |
|---|---|
| GNA | Get Next Argument |
| GNAT | Grand National Assembly of Turkey |
| GNC | Get Next Character |
| GNDN | Go Nowhere and Do Nothing |
| GNU | Got No Use |
| GO | Global Open |
| GPC | Get Post And Cookie |
| GPHA | Greater Philadelphia Health Assembly |
| GPMC | General Purpose Memory Controller |
| GR | Global Reset |
| GRA | Georgia Republican Assembly |
| GRAG | Green River Assembly of God |
| GRB | Gossip Retransmit Bit |
| GSSA | Georgia State Service Assembly |
| GT | Go To |
| GT | Greater Than |
| GTE | Greater Than or Equal |
| GTJ | Go To Jail |
| GTWA | Greater Toronto Workers Assembly |
| GUCA | Ground Umbilical Carrier Assembly |