| Abbreviation | Definition |
|---|---|
| GBA | German Blocked Account |
| GBBQ | German BBQ |
| GBC | German Body Composition |
| GBCA | German Brown Coal Association |
| GBDL | Gesellschaft für Bibliothekswesen und Dokumentation des Landbaues |
| GBIC | German Banking Industry Committee |
| GBR | German Blue Ram |
| GbR | Gesellschaft bürgerlichen Rechts |
| GCCH | German Canadian Care Home |
| GCFC | German Canadian Football Club |
| GCGB | German Clan Ghost Bear |
| GCLO | German Civil Labour Organisation |
| GCS | German Car Specialists |
| GDB | Grad Der Behinderung |
| GDE | Gewerkschaft Der Eisenbahner |
| GDGU | Geschichte Der Gebauten Umwelt |
| GDI | German Development Institute |
| GDM | German Domestic Market |
| GDP | Gewerkschaft Der Polizei |
| GDR | German Death Riders |