| Acronym | Definition |
|---|
| RSGA➣Report of Solar and Geophysical Activity |
| RSGA➣Rural Science Graduates Association (est. 1977; Australia) |
| RSGA➣Red Sea and the Gulf of Aden |
| RSGA➣Rick Smith Golf Academy (Naples, FL) |
| RSGA➣Research Support Grant Agreement (International Development Research Centre; Canada) |