| Abbreviation | Definition |
|---|---|
| RTGA | Rural Tourism Growth Area |
| RTGA | Russian Translators Guides Association |
| RTGB | Radio Televisao da Guine Bissau |
| RTGB | Regeling Toetsing Gewelds Beheersing |
| RTGC | Radiative Transfer Ground Calibrated |
| RTGC | Real Time Gamers Club |
| RTGC | Real Time Garbage Collector |
| RTGC | Real Time Grouting Control |
| RTGC | ReBoot The Guardian Code |
| RTGC | Renfrewshire Trampoline Gymnastics Club |
| RTGC | Riverland Terrace Garden Club |
| RTGC | Rough Trade Gaming Community |
| RTGC | Rubber Tyred Gantry Crane |
| RTGI | Real Time Global Illumination |
| RTGP | Regeling Toetsing Geweldsbeheersing Politie |
| RTGP | Return to Gauda Prime |
| RTGS | Real Time Gross Settlements |
| RTGS | Real-Time Gross Settlement |
| RTGS | Royal Thai General System |
| RTGW | Raylegh Taylor gravity waves |