| Abbreviation | Definition |
|---|---|
| GAO | U.S. Government Accountability Office |
| GAP | Gender And Policy |
| GAP | Generation of Action and Power |
| GAP | Genocide Awareness Project |
| GAP | Global Action Plan |
| GAP | Great And Proud |
| GAPP | German American Partnership Program |
| GAPS | good agricultural practices |
| GASB | Governmental Accounting Standards Board |
| GASP | Gonococcal Antimicrobial Surveillance Programme |
| GBE | Government Business Enterprise |
| GC | Green Card |
| GC | Guest's Copyright |
| GCA | Geographic Commuting Area |
| GCC | Government Caucus Committee |
| GCN | Government Communications Network |
| GCN | Government Computer News |
| GCPC | Government Commercial Purchase Card |
| GCRC | General Clinical Research Consortium |
| GCS | Good Civil Service |