| Abbreviation | Definition |
|---|---|
| GACS | General Assembly and Conference Services |
| GAIP | General Assembly of Interested Parties |
| GAL | Gameboy Assembly Language |
| GAPC | General Assembly Planning Committee |
| GARS | General Assembly Retirement System |
| GBA | Game Boy Assembly |
| GCAG | Grace Community Assembly of God |
| GCAR | Get Correct Answer Regardless |
| GCC | Get Code for this number |
| GCF | Get Current Figure |
| GE | Greater than or Equal |
| GF | Global Flag |
| GFA | Gatco Fixture Assembly |
| GFA | Graphical Fragment Assembly |
| GIE | Generate Irreversible Error |
| GIR | General Index Register |
| GIV | Get Initial Value |
| GL | Global Long |
| GMR | Game Monthly Review |
| GNA | Get New Argument |