CGTG
| Acronym | Definition |
|---|---|
| CGTG | Central General de Trabajadores de Guatemala (Spanish: General Center of Guatemalan Workers) |
| CGTG | Confédération Générale du Travail de Guadeloupe (French: General Federation of Guadeloupe Workers) |
| CGTG | Combustion Gas Turbine Generator |
| CGTG | Cassius Goes to Glasgow (band) |
| CGTG | Crystal Growth Technology Group |