| Acronym | Definition |
|---|
| GTDI➣Guidelines for Trade Data Interchange |
| GTDI➣Gasoline Turbocharged Direct Injection |
| GTDI➣Guidelines for Trade Data Interchange (trade data sharing rules; est. 1981) |
| GTDI➣Gasoline Turbo Direct Injection |
| GTDI➣Gereja Tuhan di Indonesia (Indonesian: Church of God in Indonesia) |